Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	24	37
2011	Feb	24	31
2011	Mar	21	38
2011	Apr	33	54
2011	May	18	26
2011	Jun	27	55
2011	Jul	39	42
2011	Aug	28	41
2011	Sep	22	24
2011	Oct	24	44
2011	Nov	37	51
2011	Dec	25	33
2011	all	238	476