Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	21	26
2011	Feb	14	25
2011	Mar	15	33
2011	Apr	17	19
2011	May	11	16
2011	Jun	20	27
2011	Jul	26	26
2011	Aug	18	21
2011	Sep	18	24
2011	Oct	20	36
2011	Nov	25	33
2011	Dec	19	34
2011	all	198	320