Year annual % 1992 9.89350519771167 1993 23.287027664545 1994 13.4155203422246 1995 9.84109579837748 1996 5.77582786155949 1997 6.14198999595652 1998 6.66565123195824 1999 10.5704416075225 2000 12.0357805974299 2001 7.3296201911553 2002 3.12714222984608 2003 8.55414305406645 2004 7.54850088183423 2005 2.70908494588384 2006 4.48333120449611 2007 2.7567237163814 2008 4.59817976325028 2009 1.61510464058238 2010 0.957018132975143 2011 3.9192859914629 2012 3.6061026352289 2013 1.40047368963025 2014 -0.0761653295419871 2015 -0.325219777427673 2016 -0.520010196278266 2017 1.31194588223228 2018 2.51403712883812 2019 2.66456133425431 2020 1.93694126694223 2021 3.14960629921268 2022 12.7741463637611 2023 10.5319476645211