Year annual % 1992 357.9594055962623 1993 318.78431418773846 1994 115.6676027849902 1995 65.32223020735515 1996 14.846125466766482 1997 34.457790919836 1998 -8.264759757460878 1999 42.86331282052 2000 41.72381360401264 2001 34.11347121816788 2002 36.50356274084291 2003 30.365858208406333 2004 38.12107110337929 2005 34.43324531148285 2006 23.57570628420862 2007 39.81029115094504 2008 15.859044438191924 2009 3.1681440438397366 2010 13.621981484416532 2011 10.602366267300962 2012 20.821102295093212 2013 26.51081897862403 2014 5.081810501642499 2015 -2.9824472081995257 2016 10.223122508127997 2017 9.223629031770884 2018 7.96580857424508 2019 8.121622181385197 2020 19.6554901860289 2021 11.281494777934329 2022 5.271267259732332 2023 18.31571259061041