Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	22	38
2009	Feb	28	30
2009	Mar	43	67
2009	Apr	45	72
2009	May	24	40
2009	Jun	22	30
2009	Jul	29	39
2009	Aug	19	23
2009	Sep	27	29
2009	Oct	29	34
2009	Nov	36	58
2009	Dec	23	34
2009	all	300	494