Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	34	56
2015	Feb	31	38
2015	Mar	34	54
2015	Apr	33	45
2015	May	29	36
2015	Jun	22	27
2015	Jul	27	34
2015	Aug	24	37
2015	Sep	24	48
2015	Oct	29	56
2015	Nov	42	54
2015	Dec	52	132
2015	all	323	617