Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	3756	6716
2013	Feb	3889	6206
2013	Mar	4177	7988
2013	Apr	4595	9201
2013	May	4834	9012
2013	Jun	4051	7460
2013	Jul	3571	6213
2013	Aug	2964	10458
2013	Sep	3598	11013
2013	Oct	4640	9196
2013	Nov	4368	8211
2013	Dec	3600	6562
2013	all	34833	98236