Year % GDP 1960 13.159119940654314 1961 14.73806297781504 1962 14.058769666132553 1963 14.55507402837144 1964 14.686091851016888 1965 15.39189876763602 1966 15.327937127091014 1967 14.933784004372372 1968 16.215983891749694 1969 17.138800851292576 1970 16.70518277208291 1971 16.865495295863063 1972 19.192608956032778 1973 19.70503194177056 1974 16.741251364418623 1975 21.31126159697002 1976 21.636880743754723 1977 23.23299731619302 1979 26.386585926222725 1980 26.071062041396857 1981 28.69761049514612 1982 27.130681010018623 1983 28.125288809161326 1984 28.424996703674974 1985 29.177469867750517 1986 32.56025794892988 1987 34.6460838513642 1988 35.30439091549366 1989 34.47399417889016 1991 29.78837109627719 1992 21.578328164129054 1993 21.83941738049627 1994 22.877898085527185 1995 24.6419857074339 1996 23.978389410498238 1997 27.019471824076987 1998 30.0885734668177 1999 32.04332327947319 2000 34.51928104626337 2001 35.07640313071506 2002 34.90381413847197 2003 34.09940837703944 2004 31.89219025039725 2005 31.981196228694852 2006 33.56029490142853 2007 34.89950257860763 2008 33.341274894563924 2009 36.550188506080666 2010 36.903376841515396 2011 36.426652184032804 2012 35.241220712170694 2013 32.755440449038446 2014 35.366384361353354 2015 39.516158278339226 2016 43.70578387446114 2018 27.714257653094343 2019 27.363463105875184 2020 32.04293336500187 2021 31.298535143724855