Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	30	38
2011	Feb	21	29
2011	Mar	20	37
2011	Apr	24	27
2011	May	24	28
2011	Jun	27	31
2011	Jul	34	40
2011	Aug	28	32
2011	Sep	19	23
2011	Oct	19	33
2011	Nov	44	53
2011	Dec	22	39
2011	all	268	410