Values for nel:
{"success_fraction":0,"report_to":"cf-nel","max_age":604800} 105,450
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800} 10,275
{"report_to":"heroku-nel","max_age":3600,"success_fraction":0.005,"failure_fraction":0.05,"response_headers":["Via"]} 787
{"report_to":"default","max_age":31557600,"include_subdomains":true,"success_fraction":0.005} 126
{"report_to":"default","max_age":31536000,"include_subdomains":true}  48
{"report_to":"network-errors","max_age":2592000,"success_fraction":0,"failure_fraction":1.0, "include_subdomains": true} 29
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":1.0} 22
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0,"include_subdomains":true} 16
{"failure_fraction": 0.001, "include_subdomains": true, "max_age": 600, "report_to": "endpoint-1"} 12
{"report_to": "network-errors", "max_age": 100, "success_fraction": 0.001, "failure_fraction": 0.1} 12
{"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":0.5} 10
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.01} 10
{ "report_to": "wm_nel", "max_age": 604800, "failure_fraction": 0.05, "success_fraction": 0.0} 9
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0} 8
{"report_to":"NelOfficeHubUpload1","max_age":3600,"failure_fraction":1.0,"success_fraction":0.01} 7
{"success_fraction":0.02,"report_to":"cf-nel","max_age":604800} 7
{"report_to":"default","max_age":604800,"include_subdomains":true} 7
{"success_fraction":0,"report_to":"nel","max_age":3600} 6
{"report_to":"heroku-nel","max_age":3600,"success_fraction":0.01,"failure_fraction":0.1,"response_headers":["Via"]} 5
{"report_to": "default", "max_age": 86400, "failure_fraction": 0.1, "success_fraction": 0.0} 5
{"failure_fraction":0.25,"include_subdomains":true,"max_age":604800,"report_to":"nel"} 5
{"report_to":"default","max_age":10886400} 5
{"report_to":"commscloud","max_age":3600,"include_subdomains":true,"success_fraction":0.1,"failure_fraction":1} 5
{"success_fraction":1,"report_to":"cf-nel","max_age":604800} 4
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.25} 4
{"report_to":"network-errors","max_age":3600,"include_subdomains":true,"success_fraction":0,"failure_fraction":0.1,"response_headers":["TXID"]} 4
{"report_to":"default","max_age":86400,"include_subdomains":true,"failure_fraction": 0.01} 4
{"report_to": "w3-reporting-nel", "max_age": 14400, "include_subdomains": false, "success_fraction": 1.0, "failure_fraction": 1.0} 3
{ "report_to": "nel", "max_age": 604800, "include_subdomains": false, "success_fraction": 0.0, "failure_fraction": 0.1 } 3
{"report_to":"kakao-nel","max_age":86400,"failure_fraction":1,"success_fraction":0.01} 3
{"failure_fraction": 1.0, "include_subdomains": false, "max_age": 30, "report_to": "nel-endpoint", "success_fraction": 0.0} 3
{"report_to":"default","max_age":3600,"include_subdomains":true} 3
{'report_to':'default','max_age':31536000,'include_subdomains':true} 3
{"report_to":"nel","max_age":604800,"success_fraction":0.05} 3
{"report_to":"nel","max_age":604800,"include_subdomains":true,"failure_fraction":0.01} 2
{"report_to":"nel~irideos.it","max_age":2592000} 2
{"report_to":"nel","max_age":604800,"include_subdomains":true,"success_fraction":0.01,"failure_fraction":1.0} 2
{"report_to":"network-errors","max_age":1296000,"success_fraction":0.00066,"failure_fraction":1,"include_subdomains":true} 2
{"report_to":"network-errors", "max_age":2592000, "success_fraction":0, "failure_fraction":1.0, "include_subdomains":true} 2
{"report_to":"network-errors","max_age":10886400} 2
{ "report_to": "nel-endpoint-freshdesk", "max_age": 2592000, "include_subdomains": true} 2
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.5} 2
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":1.0,"success_fraction":0.001} 2
{"report_to":"network-errors","max_age":300,"include_subdomains":true,"success_fraction":0,"failure_fraction":1} 2
{"report_to":"default","max_age":3600,"success_fraction": 0.001} 1
{"report_to":"default","max_age":2592000,"include_subdomains":false,"failure_fraction":0.1} 1
{"report_to": "network-errors", "max_age": 86400, "success_fraction": 0.01} 1
NEL: {"report_to":"default","max_age":31536000,"include_subdomains":true} 1
{"report_to":"default","max_age":3600,"include_subdomains":true,"failure_fraction":1.0,"success_fraction":0.01} 1
{"report_to": "neldrlog", "max_age": 604800, "success_fraction": 0.05, "failure_fraction": 0.5} 1
{'report_to':'default','max_age':3600,'include_subdomains':true} 1
{"max_age":0,"include_subdomains":false} 1
{"report_to":"default","max_age":31536000,"include_subdomains":false} 1
{"report_to":"endpoint-digitalmer","max_age":1800,"include_subdomains":true,"failure_fraction":0.25} 1
{} 1
{"report_to":"drupal9","max_age":86400} 1
{ "report_to": "nel", "max_age": 3600 } 1
{"report_to":"default","max_age":"31536000","include_subdomains":true} 1
{"report_to":"cf-nel","max_age":604800} 1
{"report_to":"nel","max_age":2592000,"failure_fraction":1} 1
{"Report-To":"default","max_age":31536000,"include_subdomains":true} 1
{"report_to":"endpoint-digitalseg","max_age":1800,"include_subdomains":true,"failure_fraction":0.25} 1
{"report_to":"default","max_age":31536000,"include_subdomains":true, "failure_fraction": 0.05} 1
{"report_to":"default","max_age":2592000,"include_subdomains":false,"failure_fraction":1.0} 1
{"report_to":"default","max_age":2419200} 1
{"max_age":604800,"report_to":"default"} 1
{"report_to":"default","max_age":10886400,"include_subdomains":true} 1
{"report_to":"default","max_age":2592000,"include_subdomains":true} 1
{"report_to":"default","max_age":3153600,"include_subdomains":true,"success_fraction": 1.0, "failure_fraction": 1.0} 1
{"report_to":"default","max_age":300,"include_subdomains":true,"response_headers": ["X-WyvResponse"], "success_fraction": 1} 1
{"report_to":"network","max_age":31557600,"include_subdomains":true} 1
{"report_to": "nel", "max_age": 30} 1
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.10} 1
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.8} 1
{"report_to":"nel-endpoint","max_age":0,"include_subdomains":true} 1
{"report_to":"default","max_age":31536000,"include_subdomains":true, "failure_fraction":0.01} 1
{"report_to":"default","max_age":86400} 1
{"report_to":"nel-endpoint","max_age":86400,"failure_fraction":1.0} 1
{"report_to":"default","max_age":86400,"include_subdomains":true} 1
{"max_age":0} 1
{"report_to":"default","max_age":604800,"include_subdomains":true,"success_fraction":0.05} 1
{ "report_to": "nel", "max_age": 864000, "include_subdomains": true, "success_fraction": 1.0, "failure_fraction": 1.0 } 1
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.1} 1
{"report_to":"nel","max_age":86400} 1
{"report_to":"network-errors","max_age":3600,"include_subdomains":true} 1
{"report_to": "cf-nel", "max_age": 604800, "success_fraction": 0} 1
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.2} 1
{"report_to": "network-errors", "max_age": 604800, "success_fraction": 0.01, "failure_fraction": 1.0} 1