Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	22	29
2011	Feb	12	20
2011	Mar	8	19
2011	Apr	16	17
2011	May	11	13
2011	Jun	20	25
2011	Jul	30	36
2011	Aug	19	24
2011	Sep	21	25
2011	Oct	14	23
2011	Nov	25	33
2011	Dec	18	36
2011	all	196	300