Year annual % 1996 5.525875691800522 1997 -0.2129511976823153 1998 2.0814406311955054 1999 0.8343397626095879 2000 2.3637121159236045 2001 3.751172168497078 2002 2.7136236013667485 2003 4.003475359065618 2004 3.9678237347701355 2005 5.232037475944679 2006 3.5323904352063664 2007 6.024890356423668 2008 2.0776732302066847 2009 -4.444876445155913 2010 0.5113281557119933 2011 0.06629524304995016 2012 0.6441453564851827 2013 0.8605527072273418 2014 2.979729321608019 2015 5.568702530723783 2016 3.1948586504320104 2017 5.35915840963807 2018 3.2105292661520792 2019 2.627208341361367 2020 -3.6168306345952175 2021 4.45029002443313 2022 -0.9909983244859717