Year	annual % growth
1961	1.6807053721172025
1962	9.91735711953234
1963	-7.5188202725216655
1964	9.756553023232257
1965	2.9625828960198106
1966	5.036176724533959
1967	8.90392332377479
1968	1.887000924005605
1969	-6.790289066018104
1970	24.503490666105023
1971	6.382978719671911
1972	-14.000027192153809
1973	2.9068511576218157
1974	-26.555126681385545
1975	13.84854135485196
1976	29.729740645886125
1977	0.0022946689086040806
1978	-3.8620113357625456
1979	-6.012987103017338
1980	-9.812484908134095
1981	-9.833033811448416
1982	-46.02451257928709
1983	143.89292854546275
1984	12.001724411055022
1985	-19.81800589929452
1986	8.312679353816804
1987	12.296389969663494
1988	12.456739162956467
1989	5.290538410169972
1990	-12.398076612337846
1991	-3.5453124874490243
1992	-3.8274853833707567
1993	6.888387096163456
1994	-9.11158721932975
1995	37.84135893390771
1996	-18.22704554592754
1997	11.677724300780028
1998	6.650458602804463
1999	-1.61473425279587
2000	-8.606796147831943
2001	-3.0464694325693102
2002	-6.125258972448691
2003	122.6909578863081
2008	-1.1567865013621201
2009	-13.66148172085137
2010	21.638906230129834
2011	7.425705227854735
2012	2.6510778159684065
2013	-13.70000043093789
2014	5.600001747720313
2015	29.20002134999214
2016	-3.9011149637365747
2017	1.299999047863892
2018	5.597527674687129
2019	5.99130784621147
2020	1.1181373529822025
2021	-0.3709674457002592
2022	5.014857254725186
2023	2.90950960006478