Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	94	150
2011	Feb	55	129
2011	Mar	72	121
2011	Apr	96	116
2011	May	86	130
2011	Jun	79	112
2011	Jul	79	91
2011	Aug	90	123
2011	Sep	54	74
2011	Oct	63	106
2011	Nov	109	152
2011	Dec	85	107
2011	all	780	1411