Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	28	47
2013	Feb	23	38
2013	Mar	27	41
2013	Apr	26	29
2013	May	28	32
2013	Jun	24	34
2013	Jul	24	33
2013	Aug	46	58
2013	Sep	34	38
2013	Oct	39	53
2013	Nov	42	53
2013	Dec	71	78
2013	all	350	534