Year % of GDP 1995 5.165689390710117 1996 11.216880457688326 1997 13.524927358470059 1998 18.725263104502478 1999 10.742195188077536 2000 8.783037352729215 2001 20.687421763078536 2002 20.094193743944192 2003 23.146009441890357 2004 25.136601925023555 2005 27.96497848340085 2006 29.4419446624093 2007 27.289824768857322 2008 28.443140074143408 2009 26.34777846527456 2010 32.25561225003048 2011 33.001824948357914 2012 35.84480697786771 2013 39.8515049086914 2014 42.077528960424324 2015 45.17724180400166 2016 48.51709354455583 2017 50.47152864343259 2018 50.434561297704704 2019 51.01092315091711 2020 48.219036497617026 2021 54.88963498588549 2022 63.840352494041255 2023 59.88333972886135