Year	annual %
1961	1.3638789107313116
1962	1.4886229274474236
1963	1.5841447249022516
1964	1.6748472449431908
1965	1.64725756273448
1966	1.642886056704377
1967	0.9552444068812304
1968	0.08839779581155388
1969	0
1970	1.1421165221136937
1971	2.5230448850836877
1972	2.896319975549594
1973	2.2702682793384175
1974	0.2423753963761491
1975	-1.1769616381999117
1976	-1.2736408815591624
1977	-1.3319655817086602
1978	-1.349946676234196
1979	-1.4330263409172197
1980	-1.1483172439548808
1981	-1.249879224693654
1982	-0.5753501155707176
1983	-0.44484059120361297
1984	-0.4244393728035002
1985	-0.3588252336264323
1986	-0.04494382098125603
1987	1.1620242486890902
1988	1.1267102513234106
1989	1.0706974349301794
1990	1.059354842593349
1991	1.0056787445593014
1992	1.058883252432283
1993	1.0894723306927425
1994	1.098342820569514
1995	1.3104200621984692
1996	3.4389634334032637
1997	3.9689277767088402
1998	3.8173988433515715
1999	3.5893505811019475
2000	2.5970988756654325
2001	1.3411626203534945
2002	0.9399196420873075
2003	0.9642634979985958
2004	-2.47918895234577
2005	-3.0130539600643735
2006	-3.7397520385293417
2007	-3.9794276266391195
2008	-4.105018016994166
2009	-4.198668326175097
2010	-4.297003921421449
2011	-4.422787361881835
2012	-4.463494071208787
2013	-3.6228938296458666
2014	-2.930883348633702
2015	-2.9163978919849627
2016	-2.7391826046452588
2017	-2.6804070511911706
2018	-2.6425980345300406
2019	-2.428126066603268
2020	-2.3714240252396235
2021	-2.3391147893511457
2022	-2.4258315059789988
2023	-2.517615489247428