Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	80	150
2011	Feb	62	103
2011	Mar	80	130
2011	Apr	96	141
2011	May	85	201
2011	Jun	89	149
2011	Jul	81	125
2011	Aug	74	103
2011	Sep	42	71
2011	Oct	57	95
2011	Nov	84	150
2011	Dec	69	92
2011	all	728	1510