Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	0	0
2011	May	0	0
2011	Jun	0	0
2011	Jul	0	0
2011	Aug	0	0
2011	Sep	5	7
2011	Oct	4	4
2011	Nov	41	56
2011	Dec	24	28
2011	all	69	95