ech-config - Reverse dependency statistics

ech-config: reverse dependencies per version

Direct reverse dependencies	Indirect reverse dependencies	Total
1	1997	1998

Version	Reverse dependencies
0.0.0	tls-2.1.9 tls-2.1.10 tls-2.1.11
0.0.1	tls-2.1.9 tls-2.1.10 tls-2.1.11