Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	8151	15396
2015	Feb	7734	13924
2015	Mar	11568	22445
2015	Apr	10132	19000
2015	May	9726	18956
2015	Jun	9815	21192
2015	Jul	10022	21677
2015	Aug	9281	17480
2015	Sep	8597	17252
2015	Oct	9401	19220
2015	Nov	10883	25762
2015	Dec	8516	18251
2015	all	77502	230555