Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	372	547
2011	Feb	336	516
2011	Mar	330	493
2011	Apr	438	648
2011	May	402	593
2011	Jun	354	572
2011	Jul	315	422
2011	Aug	380	622
2011	Sep	347	456
2011	Oct	403	595
2011	Nov	547	821
2011	Dec	377	527
2011	all	3447	6812