Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	5109	18775
2011	Feb	4224	11935
2011	Mar	5155	16746
2011	Apr	4077	14620
2011	May	4369	15302
2011	Jun	3990	15235
2011	Jul	4019	14486
2011	Aug	3934	14022
2011	Sep	4282	15274
2011	Oct	4237	14645
2011	Nov	4300	18969
2011	Dec	2959	12022
2011	all	37252	182031