Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	2412	6308
2011	Feb	509	695
2011	Mar	275	390
2011	Apr	1196	1585
2011	May	2759	5480
2011	Jun	3227	5571
2011	Jul	2916	5257
2011	Aug	2861	5081
2011	Sep	3522	6189
2011	Oct	3208	5496
2011	Nov	3014	5091
2011	Dec	2117	3148
2011	all	21790	50291