Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	144	256
2013	Feb	127	197
2013	Mar	156	320
2013	Apr	236	444
2013	May	259	449
2013	Jun	241	348
2013	Jul	182	289
2013	Aug	204	315
2013	Sep	194	265
2013	Oct	231	329
2013	Nov	245	553
2013	Dec	229	423
2013	all	1857	4188