Stats comparison updated (2016-12-06) with add of Notwhat.cd
Thanks to @TraderBoss, @Falcolight, @thanhlong , @fiorentini for sharing stats !

Note : DateTime are in French (Paris) format : UTC+02:00

Tracker	Apollo.rip	PassTheHeadphones	Nostre.am	Notwhat.cd
Updated Date Stats	2016-12-06 13:30	2016-12-06 10:30	2016-12-06 13:40	2016-12-06 00:30
Maximum users	40,000	15,000	5,000	5,000
Enabled users	24,631	9,220	353	1,016
Users active today	12,652 (51.37%)	7,151 (77.56%)	186 (52.69%)	558 (54.92%)
Users active this week	19,377 (78.67%)	9,054 (98.20%)	346 (98.02%)	1,014 (99.80%)
Users active this month	24,523 (99.56%)	9,203 (99.82%)	346 (98.02%)	1,014 (99.80%)
Torrents	187,473	286,786	941	4,516
Releases	101,718	158,244	500	4,131
Artists	94,890	158,483	678	2,640
"Perfect" FLACs	56,778	141,176	61	41
Requests	958 (38.52% filled)	1,197 (52.05% filled)	2 (100.00% filled)	7 (28.57% filled)
Snatches	876,461	554,944	NO DATA	563
Peers	898,597	683,798	2,284	5,129
Seeders	858,408	680,155	2,240	5,115
Leechers	40,189	3,643	44	14
Seeder/leecher ratio	21.35	186.70	50.90	365.35