Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	22	28
2011	Feb	21	34
2011	Mar	19	36
2011	Apr	27	31
2011	May	16	19
2011	Jun	20	25
2011	Jul	34	36
2011	Aug	23	27
2011	Sep	25	29
2011	Oct	19	27
2011	Nov	30	40
2011	Dec	27	36
2011	all	240	368