Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	42	51
2011	Feb	29	41
2011	Mar	43	66
2011	Apr	47	73
2011	May	38	45
2011	Jun	38	46
2011	Jul	53	58
2011	Aug	43	61
2011	Sep	39	49
2011	Oct	35	58
2011	Nov	86	123
2011	Dec	133	262
2011	all	535	933