Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	19	22
2011	Feb	17	23
2011	Mar	20	31
2011	Apr	29	32
2011	May	16	20
2011	Jun	29	36
2011	Jul	39	45
2011	Aug	23	25
2011	Sep	21	25
2011	Oct	21	35
2011	Nov	42	63
2011	Dec	18	30
2011	all	253	387