Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	24	27
2011	Feb	22	30
2011	Mar	19	36
2011	Apr	27	33
2011	May	16	19
2011	Jun	28	34
2011	Jul	32	33
2011	Aug	27	33
2011	Sep	21	27
2011	Oct	20	33
2011	Nov	33	39
2011	Dec	26	35
2011	all	263	379