Top 10 PFS Key Exchange Params:
X25519, 253 bits 521,349
ECDH, P-256, 256 bits 85,219
ECDH, P-384, 384 bits 14,018
ECDH, P-521, 521 bits 6,210
DH, 1024 bits 627
DH, 2048 bits 508
DH, 4096 bits 22
X448, 448 bits 18
DH, 3072 bits 2