Year	annual % growth
1961	11.22314774342739
1962	-5.2818289304188255
1963	26.7582188903111
1964	23.276428102145445
1965	2.5565912115690423
1966	8.413399119091295
1967	-0.5988023952276365
1968	14.650602407532148
1969	15.11139134131841
1970	0
1971	13.419246393404833
1972	11.695689760695188
1973	6.711632022712493
1974	-6.952647395110574
1975	30.115837076760954
1976	-4.300275277499864
1977	5.916193734487152
1978	-3.655314151801562
1979	0.8837421911475758
1980	6.642340218716598
1981	7.905782579895032
1982	-2.2979921184959835
1983	6.079629473735864
1984	5.0762756444880495
1985	3.554443054244061
1986	4.109257915973117
1987	5.1079637802960605
1988	5.44217687365402
1989	5.806451613580023
1990	6.097560975280118
1991	5.747126406428961
1992	5.978260910122302
1993	4.827586229611185
1994	4.6052631243939715
1995	5.0314465206870125
1996	5.1497005963814075
1997	5.353075204435569
1998	4.022988482981333
1999	4.714548781781545
2000	4.3967640423465895
2001	4.892966336917553
2002	2.7839957130979798
2003	2.725366905611736
2004	2.0408163315792223
2005	2.7999999998614697
2006	3.112840447524775
2007	0.18867925231080562
2008	2.1327014266694846
2009	5.5684454561537535
2010	4.505494516396453
2011	3.7854889677553842
2012	3.1408307795256007
2013	2.1901709639297877
2014	8.416100346844985
2015	7.0395371391987
2016	3.9189189112473173
2017	2.5140875694915223
2018	1.6561964493883181
2019	2.5280898947368513
2020	7.917808211708618
2021	3.3764914953033696
2022	4.911591355599242
2023	-2.7894736842105345