Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	134	201
2011	Feb	88	139
2011	Mar	125	169
2011	Apr	137	180
2011	May	154	234
2011	Jun	142	205
2011	Jul	163	220
2011	Aug	181	253
2011	Sep	108	152
2011	Oct	110	165
2011	Nov	202	293
2011	Dec	216	415
2011	all	1373	2626