Year	annual % growth
1962	8.11172647933935
1963	6.90858850645293
1964	10.7609282726708
1965	8.88202284641042
1966	9.78534205586865
1967	9.25559464963963
1968	12.4238633414321
1969	12.7658345296239
1970	13.3760791754088
1971	12.575320248073
1972	8.84510071961316
1973	9.55812198057882
1974	9.62566440731776
1975	0.390181411253039
1976	16.166214900729
1977	11.637776803686
1978	4.27619546587201
1979	6.91974418414034
1980	12.0569119630512
1981	8.50380515480944
1982	0.633207330611697
1983	6.31305182579015
1984	13.4198830680546
1985	3.58328096156183
1986	5.57350449335401
1987	9.82421283865689
1988	10.7762730265366
1989	7.67709509072121
1990	7.11044336030868
1991	9.99538595758007
1992	8.92791995392884
1993	6.90348776195377
1994	9.91867758268401
1995	10.6369589128597
1996	6.73403881264976
1997	9.96550421035667
1998	0.808967692523922
1999	3.99401599254571
2000	15.0501410838748
2001	-2.85165416719715
2002	7.14008742056322
2003	9.51531455763546
2004	15.0155871787447
2005	8.77702514132905
2006	9.90399202419185
2007	8.6010654113059
2008	3.87442699658523
2009	-10.5604576000768
2010	17.0798929336963
2011	6.07825690177219
2012	2.61444263281211
2013	4.16008834763161
2014	4.58393984044024
2015	1.85099779947195
2016	2.35054614181416
2017	6.57765432559228