Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	13806	22053
2015	Feb	13282	20546
2015	Mar	16026	25182
2015	Apr	16529	26364
2015	May	16626	26078
2015	Jun	15560	25043
2015	Jul	15281	25418
2015	Aug	13848	22010
2015	Sep	15375	24809
2015	Oct	17848	29527
2015	Nov	20224	33696
2015	Dec	16344	25684
2015	all	145678	306410