Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	27	39
2015	Feb	21	28
2015	Mar	72	133
2015	Apr	18	27
2015	May	20	21
2015	Jun	15	21
2015	Jul	21	29
2015	Aug	17	27
2015	Sep	11	21
2015	Oct	18	29
2015	Nov	29	43
2015	Dec	27	59
2015	all	248	477