Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	16	17
2009	May	19	30
2009	Jun	21	26
2009	Jul	26	33
2009	Aug	26	28
2009	Sep	33	37
2009	Oct	40	47
2009	Nov	43	70
2009	Dec	42	56
2009	all	230	344