Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	15	39
2009	Feb	18	20
2009	Mar	41	53
2009	Apr	46	72
2009	May	24	40
2009	Jun	22	25
2009	Jul	30	43
2009	Aug	17	22
2009	Sep	27	29
2009	Oct	31	35
2009	Nov	31	55
2009	Dec	23	38
2009	all	285	471