Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	23	39
2015	Feb	22	28
2015	Mar	33	56
2015	Apr	16	26
2015	May	17	19
2015	Jun	10	13
2015	Jul	22	28
2015	Aug	14	25
2015	Sep	14	31
2015	Oct	20	29
2015	Nov	31	44
2015	Dec	29	62
2015	all	205	400