Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	34	52
2011	Feb	34	51
2011	Mar	26	43
2011	Apr	43	55
2011	May	32	42
2011	Jun	38	43
2011	Jul	33	33
2011	Aug	30	37
2011	Sep	32	43
2011	Oct	28	47
2011	Nov	49	63
2011	Dec	36	58
2011	all	358	567