Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	522	737
2011	Feb	525	664
2011	Mar	691	887
2011	Apr	820	1125
2011	May	643	838
2011	Jun	590	802
2011	Jul	738	938
2011	Aug	802	1096
2011	Sep	914	1310
2011	Oct	745	1061
2011	Nov	1672	3100
2011	Dec	1462	2569
2011	all	8073	15127