Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	21	29
2011	Feb	21	28
2011	Mar	19	34
2011	Apr	26	29
2011	May	16	19
2011	Jun	24	29
2011	Jul	29	29
2011	Aug	22	25
2011	Sep	20	24
2011	Oct	20	33
2011	Nov	34	44
2011	Dec	23	34
2011	all	246	357