Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	22	50
2013	Feb	14	27
2013	Mar	17	27
2013	Apr	23	27
2013	May	23	27
2013	Jun	20	29
2013	Jul	18	25
2013	Aug	44	66
2013	Sep	36	40
2013	Oct	24	38
2013	Nov	39	44
2013	Dec	60	71
2013	all	278	471