Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	22	24
2011	May	20	21
2011	Jun	33	37
2011	Jul	51	56
2011	Aug	49	59
2011	Sep	37	45
2011	Oct	47	63
2011	Nov	58	78
2011	Dec	43	48
2011	all	318	431