Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	37	48
2011	Feb	21	35
2011	Mar	27	40
2011	Apr	30	34
2011	May	18	23
2011	Jun	27	35
2011	Jul	36	36
2011	Aug	28	38
2011	Sep	25	32
2011	Oct	23	39
2011	Nov	45	85
2011	Dec	30	62
2011	all	303	507