Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	30	44
2013	Feb	12	23
2013	Mar	20	34
2013	Apr	25	29
2013	May	25	28
2013	Jun	24	32
2013	Jul	26	37
2013	Aug	46	71
2013	Sep	40	45
2013	Oct	22	28
2013	Nov	43	51
2013	Dec	67	82
2013	all	308	504