Year annual % growth 1976 8.27196517067297 1977 2.66929032810026 1978 -3.2706970542894 1979 21.709166092350102 1980 -12.298272933182332 1981 -12.32799322061257 1982 16.35828040136242 1983 -21.8631329113924 1984 43.29975193641474 1985 0.19430509432629606 1986 -6.984944113395159 1987 1.0727824109173696 1988 -2.160297040843119 1989 4.412159313067818 1990 8.194434246273602 1991 5.544621649134712 1992 -5.307998971193413 1993 5.25922656435678 1994 4.141668279465847 1995 -14.65341014681286 1996 21.070586100526214 1997 8.033332334162637 1998 0.7214006270636304 1999 10.054819426462089 2000 6.855898475632657 2001 3.9681424221128907 2002 3.1993511175198392 2003 -21.53305388175704 2004 25.633677415764723 2005 4.287549275811671 2006 2.907198980675304 2007 -15.136507150374541 2008 8.185001459002052 2009 17.278040008990786 2010 -0.7340399026390969 2011 3.4115920763022842 2012 0.9204458467915231 2013 -0.8510008510008475 2014 1.1120647833712667 2015 1.470751061081387 2016 -7.130776365322717 2017 9.383934516116383 2018 -2.7713129721794587 2019 -10.533971644264412 2020 -9.728539381341463 2021 22.988007842779638 2022 15.721568263972571 2023 3.243840707397567