Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	24	29
2011	Feb	26	34
2011	Mar	22	37
2011	Apr	28	33
2011	May	21	29
2011	Jun	27	33
2011	Jul	29	29
2011	Aug	26	30
2011	Sep	18	23
2011	Oct	23	42
2011	Nov	35	48
2011	Dec	22	36
2011	all	266	403