Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	63	112
2011	Feb	64	95
2011	Mar	67	90
2011	Apr	119	160
2011	May	114	184
2011	Jun	161	224
2011	Jul	136	175
2011	Aug	113	149
2011	Sep	108	151
2011	Oct	116	169
2011	Nov	197	302
2011	Dec	163	227
2011	all	1159	2038