Year	annual % growth
1961	13.18797802564815
1962	4.880344377884427
1963	-6.58902323235489
1964	18.72525517287798
1965	15.31770557454459
1966	4.9301634839780775
1967	-1.4516781779772572
1968	23.381870372217193
1969	15.745525069410846
1970	-3.0749697768878264
1971	12.022253755672637
1972	24.300238463321435
1973	5.825150106729055
1974	-33.51186821338662
1975	11.672527664603876
1976	6.81655643645027
1977	12.36001589433917
1978	12.271775664472798
1979	4.284762387334723
1980	-15.874818706650089
1981	-9.74744430537281
1982	-3.2249877623452363
1983	6.357737023149454
1984	-16.238539278215725
1985	9.349313339831312
1986	0.10622300563028375
1987	-5.632754408340745
1988	2.57318572005218
1989	6.109046114159966
1990	4.4591114327837715
1991	4.2493588477388755
1992	-3.4866322968013463
1993	-3.9939776653267955
1994	-3.0834420932216062
1995	4.130690691044791
1996	9.052066581123498
1997	3.5027194830231707
1998	22.58954456462243
1999	7.398346180633581
2000	2.864203239040549
2001	5.367509167129228
2002	-0.33358030827798757
2003	15.103407941875375
2004	2.9622254235614776
2005	-11.880227757590319
2006	19.389480558059162
2007	15.887126969730915
2008	-7.193437817411265
2009	-13.931346495157968
2010	-19.34606340404909
2011	-25.371174429603244
2012	-21.6848585480937
2013	-6.621195098520445
2014	-3.1936584327702207
2015	0.16549060743381006
2016	2.329113292305337
2017	8.45765886940093
2018	-4.3425941834308475
2019	-2.193144619893687
2020	2.021758990757121
2021	19.255733205727495
2022	11.661962555214501
2023	4.04130898234321