Text files with data collected for each year. 2005.txt 2006.txt 2007.txt 2008.txt 2009.txt 2010.txt 2011.txt (to March) Data from 3/2011 to 6/2012 lost. 2012.txt 2013.txt 2014.txt 2015.txt 2016.txt 2017.txt (to July)