Year annual % 1985 64.81468778540153 1986 51.11545873746658 1987 14.4277167046219 1988 25.849148665889345 1989 55.26652112352252 1990 37.90738076180696 1991 12.971760392070465 1992 5.993841476777433 1993 11.182579345299231 1994 7.70059550868136 1995 19.685364419694665 1996 13.725212255633608 1997 19.3528167277303 1998 84.5044589007367 1999 127.97396639694014 2000 24.79777660956573 2001 8.86807380365211 2002 6.3184647409895405 2003 13.450089840917983 2004 10.690428543700676 2005 8.640322480951184 2006 10.805101226387208 2007 7.4382860046945325 2008 8.863450637972207 2009 -2.9320735318440256 2010 9.196571111386746 2011 10.468717599392875 2012 7.528859304956882 2013 6.473972083433367 2014 5.7265591817456425 2015 2.348496006859179 2016 3.0223064425633765 2017 1.8520967612112287 2018 1.919889193917541 2019 1.1974239210929198 2020 5.034504125445167 2021 3.713448366875525 2022 15.7739459226011 2023 24.421720206669264