year difference unfccc_crf CITL total_sar_gwps
2005 2995.0 5148.0 2184.0 None
2006 2974.0 5142.0 2199.0 None
2007 2790.0 5086.0 2329.0 None
2008 2805.0 4975.0 2201.0 None
2009 2681.0 4613.0 1961.0 None
2010 2730.0 4722.0 2021.0 None
2011 2617.0 4575.0 1986.0 None
2012 2595.0 4518.0 1950.0 None
2013 2587.0 None 1878.0 4464.0