Year Percent of GDP (Units) 1994 -1.665 1995 12.169 1996 -59.014 1997 -57.542 1998 -60.579 1999 -65.374 2000 -76.451 2001 -69.542 2002 0.000 2003 24.844 2004 28.401 2005 26.361 2006 19.296 2007 17.105 2008 9.144 2009 7.441 2010 11.281 2011 11.211 2012 14.884 2013 16.245 2014 15.719 2015 15.270 2016 16.692 2017 17.183 2018 21.268 2019 21.362 2020 12.237 2021 10.400 2022 19.583 2023 19.012 2024 17.970 2025 17.936 2026 18.825 2027 19.942 2028 21.059 2029 22.147