Year Percent of GDP (Units) 2004 -3.596 2005 -12.783 2006 -36.828 2007 -18.599 2008 -17.231 2009 -13.512 2010 -23.359 2011 -8.805 2012 9.584 2013 26.053 2014 3.262 2015 14.720 2016 27.475 2017 2.095 2018 30.385 2019 -1.065 2020 13.881 2021 -13.847 2022 8.746 2023 1.984 2024 1.898 2025 -2.726 2026 -3.323 2027 -3.918 2028 -4.648 2029 -4.917