Year	annual %
1961	6.058160825481281
1962	5.4530309698715485
1963	-0.45589428993874037
1964	10.952788546041958
1965	1.6062582289155074
1966	2.5668120012805673
1967	-1.8758639196475002
1968	9.489454015479339
1969	1.2208579090969351
1970	5.6198522928010135
1971	-5.479483027219473
1972	-13.973728702043928
1973	3.3256801987840134
1974	9.591956300418204
1975	-4.088214091816411
1976	5.6613612011964705
1977	2.6730560500198237
1978	7.073837732606876
1979	4.80163460055671
1980	0.8191418688989245
1981	7.233943694907367
1982	2.1343278357707476
1983	3.8810463998170803
1984	4.80331001525434
1985	3.342014654154184
1986	4.173382559003883
1987	3.772401852527139
1988	2.416256855662297
1989	2.836582129079247
1990	5.622258161607036
1991	3.485227815976529
1992	5.442685549667246
1993	4.71156172453999
1994	3.890126441168178
1995	5.121277897243374
1996	4.52291921684423
1997	4.4898964976265034
1998	5.177026873149799
1999	4.670156368821111
2000	5.293294718925324
2001	5.07728777526728
2002	3.83312393993225
2003	4.739567399630445
2004	5.2395329102985215
2005	6.535944938755023
2006	6.671904985767881
2007	7.058599354498483
2008	6.013789757385354
2009	5.045124799193374
2010	5.571788185331215
2011	6.464379124977285
2012	6.521458779064432
2013	6.013605658343437
2014	6.061059358849505
2015	6.552639878161969
2016	7.113478212700926
2017	6.590249997940575
2018	7.319412630141358
2019	7.881915151177225
2020	3.448017551224453
2021	6.9386791244244534
2022	7.0998287757515754
2023	5.775112370078887