Year Percent of GDP (Units) 2001 53.146 2002 55.538 2003 58.625 2004 66.102 2005 65.450 2006 64.186 2007 64.580 2008 73.428 2009 86.595 2010 95.157 2011 99.493 2012 103.059 2013 104.335 2014 104.228 2015 104.646 2016 106.563 2017 105.512 2018 106.828 2019 108.074 2020 131.991 2021 124.956 2022 120.026 2023 122.148 2024 123.256 2025 126.552 2026 128.893 2027 130.703 2028 132.574 2029 133.876