Top 10 PFS Key Exchange Params:
X25519, 253 bits 518,207
ECDH, P-256, 256 bits 34,765
ECDH, P-384, 384 bits 11,214
ECDH, P-521, 521 bits 4,528
DH, 1024 bits 237
DH, 2048 bits 161
X448, 448 bits 20
DH, 4096 bits 17
DH, 3072 bits 4