Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	13	23
2015	Feb	28	40
2015	Mar	72	108
2015	Apr	81	95
2015	May	106	111
2015	Jun	17	19
2015	Jul	25	31
2015	Aug	26	40
2015	Sep	26	36
2015	Oct	26	58
2015	Nov	27	66
2015	Dec	29	63
2015	all	435	690