Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	28	38
2011	Feb	19	29
2011	Mar	18	34
2011	Apr	21	29
2011	May	16	21
2011	Jun	27	32
2011	Jul	29	29
2011	Aug	22	28
2011	Sep	17	23
2011	Oct	21	40
2011	Nov	29	40
2011	Dec	22	34
2011	all	232	377