Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	23	33
2011	Feb	19	29
2011	Mar	15	26
2011	Apr	24	29
2011	May	18	22
2011	Jun	25	30
2011	Jul	27	27
2011	Aug	21	29
2011	Sep	20	27
2011	Oct	19	34
2011	Nov	30	38
2011	Dec	22	36
2011	all	227	360