Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	3330	8508
2011	Feb	3154	5130
2011	Mar	3376	5500
2011	Apr	3029	4672
2011	May	2959	5518
2011	Jun	3034	4717
2011	Jul	2678	4230
2011	Aug	2635	4047
2011	Sep	3342	5392
2011	Oct	2943	4501
2011	Nov	2650	4046
2011	Dec	1751	2540
2011	all	26579	58801