Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	13	18
2011	Feb	8	11
2011	Mar	19	30
2011	Apr	44	54
2011	May	55	86
2011	Jun	61	77
2011	Jul	66	76
2011	Aug	63	80
2011	Sep	36	48
2011	Oct	44	58
2011	Nov	87	124
2011	Dec	63	80
2011	all	478	742