Year annual % growth 1981 3.866363782382237 1982 6.382273671188088 1983 4.821929187000308 1984 4.108802028646721 1985 2.2815931190652776 1986 1.8660465116279141 1987 1.6382663963618427 1988 2.688230008984732 1989 -3.1813250271235063 1990 5.09145459803355 1991 -5.395132857511399 1992 8.531486329261199 1993 3.004974791042031 1994 -5.276851776567199 1995 3.610300429184548 1996 -1.2907394827100518 1997 4.030281666498809 1998 1.2827753126260575 1999 1.922893101800227 2000 10.849211435359578 2001 2.3322710736343453 2002 2.3245879953701234 2003 2.1047953783379825 2004 1.9189681095196534 2005 2.837843083970654 2006 2.647539952183209 2007 1.3901488219285625 2008 2.2005126469023537 2009 4.999526784024226 2010 2.6995966378980114 2011 2.0998354360943523 2012 -1.4989684518181008 2013 5.2995014672353875 2014 -1.155283806603336 2015 -0.4822730636555974 2016 1.895962390711901 2017 3.78590457646834 2018 5.532654024570633 2019 0.9114099939109508 2020 4.438564159342121 2021 3.437541388442412 2022 2.2128780267669725 2023 2.9795568375288184