Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	104	159
2011	Feb	86	117
2011	Mar	104	146
2011	Apr	96	111
2011	May	95	142
2011	Jun	61	71
2011	Jul	94	108
2011	Aug	57	73
2011	Sep	144	167
2011	Oct	62	82
2011	Nov	108	155
2011	Dec	70	91
2011	all	906	1422