Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	344	436
2013	Feb	338	411
2013	Mar	409	632
2013	Apr	462	689
2013	May	510	801
2013	Jun	517	757
2013	Jul	357	520
2013	Aug	329	495
2013	Sep	369	504
2013	Oct	501	747
2013	Nov	458	684
2013	Dec	386	617
2013	all	3875	7293