Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	37	56
2011	Feb	37	56
2011	Mar	36	46
2011	Apr	36	38
2011	May	34	58
2011	Jun	40	45
2011	Jul	63	71
2011	Aug	37	46
2011	Sep	93	102
2011	Oct	33	55
2011	Nov	58	94
2011	Dec	46	55
2011	all	478	722