Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	103	155
2011	Feb	91	154
2011	Mar	104	150
2011	Apr	127	177
2011	May	119	199
2011	Jun	103	141
2011	Jul	107	138
2011	Aug	101	143
2011	Sep	94	156
2011	Oct	75	113
2011	Nov	143	243
2011	Dec	128	208
2011	all	1022	1977