Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	33	45
2011	Feb	23	26
2011	Mar	23	28
2011	Apr	24	27
2011	May	18	23
2011	Jun	22	27
2011	Jul	28	32
2011	Aug	51	62
2011	Sep	19	21
2011	Oct	18	22
2011	Nov	34	46
2011	Dec	16	17
2011	all	281	376