Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	21	44
2009	Feb	21	33
2009	Mar	41	59
2009	Apr	28	48
2009	May	6	10
2009	Jun	2	2
2009	Jul	5	5
2009	Aug	5	8
2009	Sep	0	0
2009	Oct	1	1
2009	Nov	2	2
2009	Dec	0	0
2009	all	121	212