Year annual % 1996 4.084571420674536 1997 3.0600616503499936 1998 1.2121173395753146 1999 1.746017612464314 2000 3.8450630060274023 2001 1.533671917050512 2002 1.9976884056259792 2003 2.8419448294657172 2004 4.4126287804511435 2005 5.2327253283426955 2006 5.069100220346741 2007 6.3772076416069154 2008 3.8490989899748342 2009 1.9530883389728473 2010 6.123938641094284 2011 6.599392938374621 2012 4.309000502221878 2013 4.248647783559051 2014 3.5689792083474003 2015 3.381388562626398 2016 3.582814870565471 2017 4.434488555295985 2018 3.89346154708943 2019 3.08202773045889 2020 -4.633206758743185 2021 8.323554708690011 2022 4.007179533401256