Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	33	46
2011	Feb	23	27
2011	Mar	26	40
2011	Apr	27	51
2011	May	20	26
2011	Jun	33	45
2011	Jul	33	37
2011	Aug	24	36
2011	Sep	22	28
2011	Oct	26	49
2011	Nov	38	45
2011	Dec	27	38
2011	all	256	468