Year annual % growth 1977 9.224132808171845 1978 4.122920783485569 1979 4.299420977920462 1980 -2.0186224513645925 1981 3.1978506289173083 1982 2.6936335099966584 1983 4.686466088619426 1984 3.6576664737758335 1985 2.6036012239108572 1986 4.02652621161495 1987 9.408119594592065 1988 7.453804983941154 1989 6.643643190814473 1990 6.062172700850454 1991 5.060803675957672 1992 6.763747592630082 1993 7.231795182880859 1994 6.49040254652418 1995 5.2832167047603775 1996 6.226993870903414 1997 6.258525947344992 1998 6.375241042879139 1999 5.3166536516919365 2000 9.333455143353689 2001 3.27455483025345 2002 4.715546405375349 2003 8.010465058394772 2004 5.140253673755794 2005 5.850465407995387 2006 10.560515573367852 2007 5.917488492173263 2008 5.216490977641257 2009 2.806404678794891 2010 5.230815361304991 2011 5.1310195085427495 2012 4.64384797397031 2013 4.188440087455689 2014 4.853175500737208 2015 4.455558594884607 2016 4.331241944321221 2017 3.934323782671555 2018 4.283523506980487 2019 3.062266183208436 2020 -13.455022334404148 2021 2.3321070573689013 2022 10.306357084437195 2023 5.479541780555934