Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	45	79
2011	Feb	45	63
2011	Mar	57	88
2011	Apr	54	67
2011	May	53	66
2011	Jun	52	76
2011	Jul	50	55
2011	Aug	35	49
2011	Sep	36	46
2011	Oct	41	65
2011	Nov	55	71
2011	Dec	43	182
2011	all	452	907