Year GDP 1990 0.981485753028117 1991 0.973650794829268 1992 0.989136386220624 1993 0.95800136077826 1994 0.958453165478023 1995 0.946303104136646 1996 0.938436469957694 1997 0.940311294155706 1998 0.958214225839461 1999 0.991622397056531 2000 0.9786048604471 2001 0.960434796934556 2002 0.983193791462744 2003 0.9752931348475 2004 0.961102963665611 2005 0.979000300688213 2006 0.957578179746912 2007 0.959803694070499 2008 0.955678288175315 2009 0.939976234391196 2010 0.92504427153654 2011 0.89856344461441 2012 0.919978032159248 2013 0.912468042625818 2014 0.918396825378532 2015 0.955871813530898 2016 0.94831266986888 2017 0.929797828197479 2018 0.926608264446259 2019 0.931452453136444 2020 0.962290525436401 2021 0.977568686008453 2022 0.952545397837921 2023 0.977354359953442