Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	141	223
2011	Feb	114	165
2011	Mar	150	395
2011	Apr	168	266
2011	May	148	230
2011	Jun	140	178
2011	Jul	153	205
2011	Aug	195	286
2011	Sep	143	244
2011	Oct	194	306
2011	Nov	271	425
2011	Dec	172	224
2011	all	1593	3147