Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	8	14
2013	Feb	4	16
2013	Mar	12	31
2013	Apr	25	38
2013	May	30	33
2013	Jun	22	27
2013	Jul	27	40
2013	Aug	43	59
2013	Sep	36	48
2013	Oct	39	59
2013	Nov	63	76
2013	Dec	59	65
2013	all	257	506