Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	20	28
2011	Feb	15	24
2011	Mar	10	23
2011	Apr	19	24
2011	May	11	16
2011	Jun	20	24
2011	Jul	27	27
2011	Aug	19	27
2011	Sep	19	23
2011	Oct	16	27
2011	Nov	26	42
2011	Dec	19	29
2011	all	193	314