Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	28	48
2013	Feb	24	38
2013	Mar	36	49
2013	Apr	26	37
2013	May	23	31
2013	Jun	30	42
2013	Jul	35	47
2013	Aug	48	71
2013	Sep	44	50
2013	Oct	37	51
2013	Nov	54	63
2013	Dec	67	81
2013	all	362	608