Year	annual %
1961	7.497743398491181
1962	10.890798329097677
1963	10.86547924578214
1964	11.698479030154402
1965	9.525155826248067
1966	3.3011363985888664
1967	6.969513824768086
1968	1.3429600526566787
1969	6.237703908332406
1970	1.3538265901272837
1971	3.304756500204988
1972	2.220722891810638
1973	6.417013973660971
1974	14.192425095304358
1975	-0.1532468943426295
1976	5.209454498477072
1977	8.368480530299365
1978	-7.838800370642588
1979	-26.478788867521033
1980	4.611732279533797
1981	5.36329018938126
1982	-0.8163619187434676
1983	4.613211627004986
1984	-1.5660939131973635
1985	-4.081851487319341
1986	-1.017309161200913
1987	-0.7063529415000431
1988	-12.449822036712376
1989	-1.7382163305211833
1990	-0.05249972126883051
1991	-0.18928149392675664
1992	0.38634657841616615
1993	-0.39293604666308113
1994	3.3377261128253934
1995	5.911907936587141
1996	6.3442683605154
1997	3.966650927608214
1998	3.71168146396694
1999	7.035970463502011
2000	4.101590250734375
2001	2.960843490572728
2002	0.7539388760795731
2003	2.5207328955144703
2004	5.312170569507387
2005	4.282398337706539
2006	4.15319958790397
2007	5.075817499453024
2008	3.4347721630495727
2009	-3.2912921283069636
2010	4.409645499087333
2011	6.317476383265856
2012	6.495979229021671
2013	4.926115046525183
2014	4.785847059430992
2015	4.792702231584656
2016	4.562927609150535
2017	4.631383681385088
2018	-3.363705717386395
2019	-2.89648807769926
2020	-1.755380361038121
2021	10.315448405275134
2022	3.752284757366681
2023	4.569732333338422