Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	147	210
2011	Feb	105	138
2011	Mar	143	192
2011	Apr	177	227
2011	May	134	180
2011	Jun	149	208
2011	Jul	143	199
2011	Aug	139	171
2011	Sep	102	123
2011	Oct	113	142
2011	Nov	186	260
2011	Dec	124	148
2011	all	1403	2198