Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	3541	8951
2011	Feb	3365	5884
2011	Mar	3637	6971
2011	Apr	3362	6104
2011	May	3224	6891
2011	Jun	3240	5926
2011	Jul	2781	5323
2011	Aug	2828	5226
2011	Sep	3463	6489
2011	Oct	3183	5699
2011	Nov	3000	5271
2011	Dec	1904	3022
2011	all	28210	71757