Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	155	199
2013	Feb	140	191
2013	Mar	152	198
2013	Apr	178	231
2013	May	153	194
2013	Jun	135	215
2013	Jul	105	134
2013	Aug	107	143
2013	Sep	150	207
2013	Oct	160	219
2013	Nov	194	241
2013	Dec	272	369
2013	all	1582	2541