Year Percent of GDP 1986 -41.532 1987 0.449 1988 0.6 1989 1.355 1990 5.338 1991 7.745 1992 10.548 1993 9.356 1994 11.226 1995 9.857 1996 7.677 1997 16.328 1998 6.335 1999 12.163 2000 14.902 2001 17.766 2002 17.754 2003 18.51 2004 15.656 2005 16.411 2006 21.871 2007 19.342 2008 11.996 2009 11.445 2010 8.634 2011 14.055 2012 14.851 2013 15.132 2014 14.736 2015 13.732 2016 14.481 2017 14.18 2018 11.467 2019 12.908 2020 12.791 2021 13.144 2022 13.208 2023 13.274 2024 13.701