Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	20	31
2011	Feb	17	22
2011	Mar	12	24
2011	Apr	20	22
2011	May	18	23
2011	Jun	23	27
2011	Jul	30	31
2011	Aug	23	24
2011	Sep	20	25
2011	Oct	18	29
2011	Nov	34	45
2011	Dec	19	30
2011	all	222	333