2016 – Gas Monthly Reports – PDF
2015 – Gas Monthly Reports – PDF
2014 – Gas Monthly Reports – PDF
2013 – Gas Monthly Reports – PDF
2012 – Gas Monthly Reports – PDF
2011 – Gas Monthly Reports- PDF
2010 – Gas Monthly Reports – PDF
2009 – Gas Monthly Reports – PDF
2008 – Gas Monthly Reports – PDF
2007 – Gas Monthly Reports – PDF
2006 – Gas Monthly Reports – PDF