Year	annual %
1961	0.37880890353086244
1962	0.36657825080673695
1963	0.3289099744145422
1964	0.28959527322830314
1965	0.24660263924514253
1966	0.21995442642505544
1967	0.19481348772780752
1968	0.16183334700913185
1969	0.1702082802349009
1970	0.14604163453858737
1971	-0.021229168957767608
1972	0.03582160877326057
1973	0.06298836912574175
1974	0.06824785499512133
1975	0.07349655195022246
1976	0.08137908212877255
1977	0.09056384874102365
1978	0.09972362195760823
1979	0.08841325191102076
1980	0.17000867316916976
1981	0.8927284704626525
1982	0.8298371385138165
1983	0.789626212222554
1984	0.7496708940516108
1985	0.6890469234972366
1986	0.620826100154157
1987	0.5475856934395403
1988	0.479258068746287
1989	0.4311128003527574
1990	0.4965152183013087
1991	0.7857826182751713
1992	0.8864685142049916
1993	0.8666533690562355
1994	0.8365493570233078
1995	0.7822865080843865
1996	0.7380455341070246
1997	0.7087309724882427
1998	0.6991105117607506
1999	0.7345061856819077
2000	0.6760614952426602
2001	0.5705126160354047
2002	0.7032381764801973
2003	0.686569693401738
2004	0.6702090115380419
2005	0.6535916630277256
2006	0.6411125726718424
2007	0.6653923318736926
2008	0.7259875604026359
2009	0.7073153505773602
2010	0.6195653933430428
2011	0.5307511699851235
2012	0.4729520011421271
2013	0.4222778630609193
2014	0.3738086259353318
2015	0.32744400499558646
2016	0.28465866733543427
2017	0.24223492993491647
2018	0.1970013813864766
2019	0.15981075170775824
2020	0.13470667073346046
2021	0.10039382127533206
2022	0.04137018096402666
2023	-0.019648701956209217