Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	32	53
2013	Feb	20	34
2013	Mar	21	33
2013	Apr	26	33
2013	May	34	44
2013	Jun	24	29
2013	Jul	38	55
2013	Aug	51	72
2013	Sep	34	41
2013	Oct	32	44
2013	Nov	51	64
2013	Dec	62	74
2013	all	345	576