Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	20	29
2011	Feb	22	28
2011	Mar	13	19
2011	Apr	23	29
2011	May	17	20
2011	Jun	21	25
2011	Jul	26	27
2011	Aug	20	21
2011	Sep	18	22
2011	Oct	17	28
2011	Nov	33	42
2011	Dec	17	27
2011	all	223	317