Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	47	61
2011	Feb	31	42
2011	Mar	37	52
2011	Apr	39	43
2011	May	38	65
2011	Jun	40	50
2011	Jul	44	48
2011	Aug	44	49
2011	Sep	36	66
2011	Oct	41	81
2011	Nov	62	88
2011	Dec	55	79
2011	all	442	724