Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	30	37
2011	Feb	25	49
2011	Mar	23	42
2011	Apr	29	33
2011	May	18	24
2011	Jun	27	30
2011	Jul	36	37
2011	Aug	26	34
2011	Sep	24	31
2011	Oct	21	31
2011	Nov	36	51
2011	Dec	22	36
2011	all	270	435