Year Percent of GDP (Units) 2005 -1.976 2006 -1.950 2007 -2.334 2008 -1.757 2009 -7.686 2010 -4.979 2011 -2.875 2012 -1.493 2013 -1.593 2014 -1.943 2015 -4.837 2016 -5.632 2017 -4.785 2018 -1.752 2019 -0.977 2020 -5.403 2021 -4.584 2022 -2.111 2023 -2.017 2024 -4.609 2025 -4.633 2026 -4.256 2027 -3.756 2028 -3.530 2029 -3.236