Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	17	24
2011	Feb	19	30
2011	Mar	19	36
2011	Apr	18	18
2011	May	19	26
2011	Jun	30	42
2011	Jul	27	28
2011	Aug	29	34
2011	Sep	17	20
2011	Oct	26	41
2011	Nov	41	51
2011	Dec	30	51
2011	all	246	401