Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	43	57
2011	Feb	41	57
2011	Mar	35	57
2011	Apr	45	53
2011	May	30	38
2011	Jun	37	45
2011	Jul	77	106
2011	Aug	89	101
2011	Sep	42	55
2011	Oct	63	120
2011	Nov	74	102
2011	Dec	57	101
2011	all	523	892