Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	49	60
2011	Feb	41	57
2011	Mar	61	83
2011	Apr	48	76
2011	May	48	63
2011	Jun	117	132
2011	Jul	130	151
2011	Aug	133	163
2011	Sep	128	172
2011	Oct	105	168
2011	Nov	158	205
2011	Dec	113	136
2011	all	939	1466