Year	annual % growth
1962	2.177220863255158
1963	5.269789951319055
1964	8.510174882871198
1965	7.516799263467803
1966	4.505386913492089
1967	3.3828709471071363
1968	6.833585017762161
1969	5.3954313160665635
1970	6.199766344968552
1971	3.8311762675285337
1972	5.93999577163072
1973	6.748886734325879
1974	-13.411591615325051
1975	27.947022662790985
1976	15.579715282007257
1977	11.016565190339918
1978	6.413881815368356
1979	1.2509479732780306
1980	8.348931108131396
1981	4.76848421280414
1982	2.638526437413688
1983	-2.2493633646192848
1984	-1.499667108220109
1985	-0.005339624811512067
1986	3.307500777065542
1987	3.902019820706215
1988	5.900313914513305
1989	-5.3992237386958095
1990	3.2045611928949143
1991	9.118795256180505
1992	6.882847835511768
1993	-0.7310130125722765
1994	-4.666179980212931
1995	1.1830447830677002
1996	-4.878810350341396
1997	10.780645515505284
1998	0.8188770589706991
1999	-2.863660020063733
2000	4.5894726158836505
2001	6.168886257329959
2002	-6.224745781573432
2003	-2.2822521389476407
2004	15.184694154588868
2005	14.633538506859153
2006	14.25691622737024
2007	16.267083501898625
2008	6.019542156672216
2009	-2.0716738282983584
2010	-1.0739941656070755
2011	4.411403067422825
2012	6.864940814614684
2013	4.438339619736226
2014	-2.54580599253714