Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	402	719
2009	Feb	402	694
2009	Mar	501	831
2009	Apr	546	857
2009	May	538	876
2009	Jun	456	702
2009	Jul	462	753
2009	Aug	431	761
2009	Sep	627	1123
2009	Oct	473	882
2009	Nov	501	1080
2009	Dec	554	1033
2009	all	4392	10311