Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2010	Jan	1	3
2010	Feb	1	1
2010	Mar	3	4
2010	Apr	0	0
2010	May	3	3
2010	Jun	6	7
2010	Jul	1	1
2010	Aug	3	3
2010	Sep	0	0
2010	Oct	30	34
2010	Nov	56	91
2010	Dec	60	85
2010	all	156	232