Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	21	35
2011	Feb	18	23
2011	Mar	14	23
2011	Apr	23	29
2011	May	16	22
2011	Jun	26	31
2011	Jul	29	29
2011	Aug	19	26
2011	Sep	18	23
2011	Oct	19	39
2011	Nov	29	40
2011	Dec	21	32
2011	all	220	352