Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	24	35
2011	Feb	20	23
2011	Mar	16	24
2011	Apr	29	31
2011	May	20	32
2011	Jun	26	30
2011	Jul	27	27
2011	Aug	20	24
2011	Sep	20	27
2011	Oct	27	50
2011	Nov	36	48
2011	Dec	27	53
2011	all	257	404