Year	annual %
1961	1.92830284157487
1962	1.94316509426344
1963	1.9518942922349
1964	1.94718597065573
1965	1.9038793873689
1966	1.85086149151046
1967	1.83669850937987
1968	1.8633039582068
1969	1.92038333250559
1970	1.98950568702058
1971	2.02815940115592
1972	2.16384086434761
1973	2.287873413583
1974	2.2154036469744
1975	2.06697329619869
1976	1.91443846007293
1977	1.79732466341356
1978	1.75233055337201
1979	2.05281827638111
1980	0.120029449768343
1981	0.0225688705918834
1982	4.73077019822427
1983	4.98616197877124
1984	1.25532734256511
1985	0.951328079582529
1986	2.98601864155601
1987	3.50725628946566
1988	3.37917645549863
1989	3.36389559463814
1990	2.72158466618937
1991	3.62917884079971
1992	4.22080520943326
1993	2.27994585581428
1994	2.219474819994
1995	4.38968567248508
1996	4.42164083680175
1997	3.42098990748474
1998	3.40720540478119
1999	3.47717052460942
2000	3.41450024149477
2001	3.3300848498951
2002	3.44814062098756
2003	3.97060486574728
2004	4.43602666694242
2005	3.99174947439079
2006	3.54078145175603
2007	3.38718987073326
2008	3.44588600538683
2009	3.51855423082844
2010	3.40849096495518
2011	3.49444952100308
2012	3.48762940257558
2013	3.55701932397684
2014	3.56998546576354
2015	3.18410081276683
2016	3.14864850561675
2017	3.32459491646661
2018	3.37812774879537
2019	3.29458272753979
2020	3.16053305963688
2021	3.16388750517031
2022	3.11502218647071
2023	3.08482215474986