Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	11108	16227
2015	Feb	9788	14257
2015	Mar	11747	17913
2015	Apr	15651	26045
2015	May	13634	21398
2015	Jun	13302	21943
2015	Jul	13389	21390
2015	Aug	12613	20816
2015	Sep	14504	24424
2015	Oct	14020	24055
2015	Nov	12063	21390
2015	Dec	8937	14682
2015	all	106423	244540