Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	25	33
2011	Feb	26	31
2011	Mar	29	40
2011	Apr	34	44
2011	May	25	26
2011	Jun	39	48
2011	Jul	39	45
2011	Aug	40	42
2011	Sep	29	39
2011	Oct	37	52
2011	Nov	40	56
2011	Dec	28	37
2011	all	351	493