Year annual % growth 1991 2.3581717593356757 1992 1.8700381395556889 1993 3.7914608758823647 1994 -2.7245164455646176 1995 3.012652981986392 1996 4.679847309812416 1997 3.780566531652667 1998 3.7802965100829766 1999 2.0316496269738025 2000 -0.2518620517924006 2001 4.344120641150255 2002 2.0576664386004637 2003 3.2985775471164374 2004 1.0956878621781527 2005 6.020672143128493 2006 5.079735527927838 2007 2.0632360724758456 2008 4.111674767951598 2009 4.651838586569966 2010 2.745174437493432 2011 2.3809676357767984 2012 2.78558436431355 2013 2.7491219815336763 2014 2.1962951453195387 2015 2.1331963750689624 2016 2.6372866715533405 2017 4.301283554776674 2018 2.8068834490223082 2019 2.8685274340947586 2020 1.6446580310647079 2021 1.7042612180630812 2022 3.041734881408928 2023 2.0497976207462614