Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	36	50
2011	Feb	22	29
2011	Mar	20	34
2011	Apr	24	29
2011	May	23	27
2011	Jun	29	37
2011	Jul	32	32
2011	Aug	29	34
2011	Sep	29	37
2011	Oct	23	43
2011	Nov	36	47
2011	Dec	27	43
2011	all	296	442