Year % of GDP 1999 132.29407153186688 2000 159.5900926349393 2001 157.39581928143383 2002 149.3181667323081 2003 150.51080810108547 2004 166.32173085666437 2005 183.45204283357143 2006 200.76026203602044 2007 202.2728443131455 2008 180.84601083024887 2009 171.37213824155995 2010 188.3939371435287 2011 196.75382175618557 2012 218.40342435265433 2013 230.93712808979924 2014 247.05047636123533 2015 267.93390988316895 2016 261.64473276052706 2017 272.3881548538429 2018 276.75929411158467 2019 299.97739201676075 2020 304.786257608478 2021 327.166162351816 2022 317.2621351220475 2023 312.32651104509506