Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	11	11
2009	May	18	29
2009	Jun	14	15
2009	Jul	20	26
2009	Aug	15	16
2009	Sep	24	26
2009	Oct	26	29
2009	Nov	30	52
2009	Dec	24	33
2009	all	161	237