Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	31	43
2011	Feb	23	34
2011	Mar	18	30
2011	Apr	30	31
2011	May	23	25
2011	Jun	47	56
2011	Jul	37	44
2011	Aug	31	36
2011	Sep	26	30
2011	Oct	21	31
2011	Nov	36	49
2011	Dec	27	43
2011	all	309	452