Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	34	47
2011	Feb	33	49
2011	Mar	34	60
2011	Apr	46	78
2011	May	34	44
2011	Jun	45	60
2011	Jul	41	43
2011	Aug	38	51
2011	Sep	31	50
2011	Oct	40	81
2011	Nov	56	80
2011	Dec	38	54
2011	all	358	697