Year	annual %
1961	2.4938079930340153
1962	2.7902825243787137
1963	2.2613934071259467
1964	2.3023348378882336
1965	2.2925258042347036
1966	2.610086222699649
1967	1.4624651863403306
1968	1.961546445999286
1969	2.288842505613583
1970	2.1644248823572863
1971	3.5717765315614534
1972	2.0280780799363596
1973	1.7160230391715376
1974	2.718077644692167
1975	1.4153411048691116
1976	1.1852920234874145
1977	1.306618866904086
1978	1.341338023535082
1979	1.2576054573623665
1980	1.3932622937698214
1981	1.7346390352623944
1982	1.698727446248021
1983	1.334645321005146
1984	1.1655061584439677
1985	1.2982188595140791
1986	1.4114446367497058
1987	1.4860625274327985
1988	1.602236148866862
1989	1.6577803124311494
1990	1.4449416154151689
1991	1.2394972436904952
1992	0.9813364490977762
1993	0.7393381482874924
1994	0.8114935363193375
1995	0.9607304271338817
1996	1.0594296017412086
1997	0.9273832770361059
1998	0.8394668502901962
1999	0.9364582295559383
2000	0.984333804176905
2001	1.1235787121919882
2002	1.2824976086853317
2003	1.2937548808944435
2004	1.2113745389655237
2005	1.3580804401213593
2006	1.4888631544703859
2007	1.9689347512768918
2008	2.1464581901978703
2009	2.2020063952894176
2010	1.6955021612660996
2011	1.5279574161434732
2012	1.8653301369794273
2013	1.8381757992261172
2014	1.6084551017675455
2015	1.5548005989414144
2016	1.6773901276192782
2017	1.7679684763797114
2018	1.621636321370383
2019	1.6076246760799908
2020	1.369184749121525
2021	0.28110330039735726
2022	1.4184859760549613
2023	2.519945525036576