Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	412	596
2009	Feb	329	587
2009	Mar	471	637
2009	Apr	444	647
2009	May	419	647
2009	Jun	449	583
2009	Jul	445	598
2009	Aug	514	654
2009	Sep	571	784
2009	Oct	371	634
2009	Nov	441	721
2009	Dec	390	931
2009	all	4110	8019