Year GDP 1990 0.758628069352496 1991 0.684079297645112 1992 0.574333017179839 1993 0.539765162992196 1994 0.507893153068547 1995 0.512578506295612 1996 0.54858718441098 1997 0.523761107591716 1998 0.377844339932341 1999 0.40240323024798 2000 0.395960638920894 2001 0.386734307792346 2002 0.391147801390681 2003 0.417334304872928 2004 0.437339368232556 2005 0.445825103536966 2006 0.423761667389581 2007 0.416275865499602 2008 0.413917367202045 2009 0.512889235808479 2010 0.519782040899656 2011 0.520335376262665 2012 0.545265420308927 2013 0.550359936888742 2014 0.537396812129781 2015 0.523839856261066 2016 0.503224091150613 2017 0.48941200971603394 2018 0.8689748644828812 2019 0.524378836154938 2020 0.49291187524795516 2021 0.5414454936981197 2022 0.4580433861595559 2023 0.40832249202996934