Year annual % 1990 2.04941878460987 1991 2.64307163479893 1992 7.34406692918725 1993 2.54643474492336 1994 -4.66491334138077 1995 5.15041470927051 1996 12.6922634550864 1997 -1.30535237376276 1998 2.74064672352952 1999 6.12145266042883 2000 14.4533616980466 2001 3.84615384615385 2002 4.83091787439614 2003 1.17302052785921 2004 5.73643410852713 2005 1.49488591660112 2006 4.12698412698414 2007 -0.833333333333329 2008 4.77941176470587 2009 1.05263157894737 2010 -0.568181818181813 2011 1.64133738601822 2012 2.17391304347827 2013 0.877192982456165 2014 7.5 2015 3.20315928038613 2016 8.16326530612245 2017 2.96996222836934 2018 7.29559359114998 2019 6.43874385090449 2020 0.890825244312992 2021 4.68476572711678 2022 5.54755647980927 2023 6.0040987048763