Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	66	82
2011	May	94	143
2011	Jun	127	178
2011	Jul	110	132
2011	Aug	119	157
2011	Sep	80	101
2011	Oct	94	133
2011	Nov	156	248
2011	Dec	103	143
2011	all	831	1317