Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	34	40
2011	Feb	30	36
2011	Mar	34	56
2011	Apr	38	66
2011	May	27	36
2011	Jun	39	89
2011	Jul	47	55
2011	Aug	33	48
2011	Sep	34	45
2011	Oct	37	78
2011	Nov	47	79
2011	Dec	33	46
2011	all	328	674