Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	22	32
2015	Feb	26	38
2015	Mar	31	39
2015	Apr	16	28
2015	May	19	25
2015	Jun	13	15
2015	Jul	23	38
2015	Aug	24	61
2015	Sep	19	31
2015	Oct	21	29
2015	Nov	31	42
2015	Dec	31	54
2015	all	238	432