Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	8717	15261
2015	Feb	7571	12529
2015	Mar	8902	15217
2015	Apr	9198	16127
2015	May	9640	17117
2015	Jun	8466	14615
2015	Jul	8102	14057
2015	Aug	9769	18953
2015	Sep	9758	18532
2015	Oct	10963	21815
2015	Nov	11774	25101
2015	Dec	10414	20066
2015	all	81572	209390