Year annual % growth 1962 6.678571378024586 1963 3.176634484672519 1964 8.048276604372333 1965 9.614959202709002 1966 4.180614854268171 1967 4.4943994485822145 1968 7.806161003067984 1969 7.992196406931981 1970 4.917869474993708 1971 4.527289825996235 1972 8.454540905743627 1973 5.385223201627085 1974 2.7368402179428415 1975 1.8722027783835387 1976 2.5692585632285443 1977 8.691390038133505 1978 8.127617473102418 1979 0.5461179008480599 1980 3.9227510184826286 1981 0.12340075099844228 1982 -1.8922625906139956 1983 2.1652372405307716 1984 -0.27486111391344537 1985 8.188870738573598 1986 -2.6414608213930677 1987 3.2571340298517697 1988 0.3201065723839065 1989 -1.1899249417223245 1990 -13.43514455298265 1991 11.502295324642219 1992 7.820443773084065 1993 1.7712880729304743 1994 16.064281537359747 1995 -17.502192053272623 1996 16.67109552314652 1997 15.579689183351107 1998 -5.150785888368247 1999 0.4928373175354466 2000 -28.553592271608693 2001 -13.636260039793939 2002 31.303751491983036 2003 -23.259324015515475 2004 16.56507414514472