Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	19	26
2011	Feb	18	35
2011	Mar	13	27
2011	Apr	17	18
2011	May	11	13
2011	Jun	18	21
2011	Jul	37	39
2011	Aug	22	29
2011	Sep	21	25
2011	Oct	22	33
2011	Nov	25	35
2011	Dec	20	57
2011	all	217	358