Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	115	150
2011	Feb	111	149
2011	Mar	133	172
2011	Apr	137	200
2011	May	477	1436
2011	Jun	137	170
2011	Jul	120	155
2011	Aug	116	159
2011	Sep	109	133
2011	Oct	115	165
2011	Nov	160	202
2011	Dec	112	140
2011	all	1642	3231