Year annual % growth 1991 1.2397461305283457 1992 -0.13555026207771448 1993 2.3274422978833087 1994 3.1027228599743495 1995 6.065564718877752 1996 3.9184784775851114 1997 3.5667634853439267 1998 3.9118851267026145 1999 2.4137421022788885 2000 2.258450478622393 2001 3.7899044987444768 2002 2.877439862335663 2003 4.357440154225145 2004 6.076232849959467 2005 6.219341523382553 2006 8.126932514316067 2007 5.575259366305545 2008 2.0181991391990266 2009 1.660790938885782 2010 5.851099946473838 2011 2.311952637341335 2012 4.410172723267408 2013 4.215476748102915 2014 3.9550795412451407 2015 4.87657659678888 2016 2.3806619951986363 2017 2.7642265348984694 2018 2.6834489485920727 2019 2.4950233583489307 2020 -2.9544275172062697 2021 5.116562042273614 2022 3.4347855689490103 2023 2.2256588456815365