Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	25	44
2011	Feb	21	28
2011	Mar	26	52
2011	Apr	31	35
2011	May	25	37
2011	Jun	33	46
2011	Jul	23	35
2011	Aug	34	46
2011	Sep	16	21
2011	Oct	15	29
2011	Nov	27	68
2011	Dec	20	25
2011	all	234	466