Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	168	214
2011	Feb	178	222
2011	Mar	202	284
2011	Apr	199	263
2011	May	179	219
2011	Jun	162	194
2011	Jul	190	253
2011	Aug	153	203
2011	Sep	238	292
2011	Oct	204	312
2011	Nov	330	427
2011	Dec	278	356
2011	all	2063	3239