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	28
2009	Jun	12	12
2009	Jul	17	22
2009	Aug	14	16
2009	Sep	23	25
2009	Oct	26	29
2009	Nov	29	51
2009	Dec	19	27
2009	all	149	221