Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	390	593
2009	Feb	388	748
2009	Mar	467	803
2009	Apr	571	887
2009	May	477	795
2009	Jun	454	663
2009	Jul	452	640
2009	Aug	355	568
2009	Sep	468	731
2009	Oct	581	1011
2009	Nov	632	976
2009	Dec	450	663
2009	all	4162	9078