Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	40	58
2011	Feb	37	47
2011	Mar	45	70
2011	Apr	51	65
2011	May	33	41
2011	Jun	44	51
2011	Jul	58	67
2011	Aug	57	63
2011	Sep	42	58
2011	Oct	45	70
2011	Nov	53	80
2011	Dec	40	55
2011	all	494	725