Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	28	34
2011	Feb	19	25
2011	Mar	19	30
2011	Apr	23	27
2011	May	22	29
2011	Jun	31	36
2011	Jul	30	31
2011	Aug	23	29
2011	Sep	23	28
2011	Oct	26	42
2011	Nov	11	18
2011	Dec	10	17
2011	all	235	346