Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	26	29
2011	May	47	73
2011	Jun	46	60
2011	Jul	58	61
2011	Aug	52	68
2011	Sep	31	40
2011	Oct	32	47
2011	Nov	69	100
2011	Dec	43	48
2011	all	347	526