Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	36	49
2011	Feb	33	52
2011	Mar	33	52
2011	Apr	34	41
2011	May	22	25
2011	Jun	31	37
2011	Jul	47	59
2011	Aug	32	37
2011	Sep	34	40
2011	Oct	34	49
2011	Nov	41	55
2011	Dec	41	56
2011	all	348	552