Top 10 PFS Key Exchange Params:
X25519, 253 bits 532,853
ECDH, P-256, 256 bits 50,129
ECDH, P-384, 384 bits 13,958
ECDH, P-521, 521 bits 5,445
DH, 1024 bits 336
DH, 2048 bits 232
DH, 4096 bits 21
X448, 448 bits 21