Year	annual %
1961	10.238448629620816
1962	12.249153705715116
1963	12.609084366228778
1964	12.469721913146346
1965	12.279798108244725
1966	12.298176888798803
1967	12.417665863009569
1968	12.279600793450275
1969	11.94160484108862
1970	12.423579998061989
1971	12.310572486592521
1972	10.930192526958937
1973	9.96181756248883
1974	9.168029801373041
1975	8.503223147140103
1976	7.944146492441561
1977	7.4764408428244185
1978	7.073640643125945
1979	6.731093001860457
1980	6.526100563329602
1981	6.263780369002496
1982	6.002253370502305
1983	5.716554917950158
1984	5.404168403059468
1985	5.097609944177976
1986	4.733198731990222
1987	4.586986186812784
1988	4.3180423681367275
1989	4.143596901562529
1990	3.9860331251528267
1991	3.8409695665004557
1992	3.6968432457360194
1993	3.5495294623028957
1994	3.403360517253547
1995	3.250268976017979
1996	3.0825777939079306
1997	4.2675686458550555
1998	5.614338685902161
1999	5.637329596260965
2000	5.3984888116534515
2001	5.169402873236268
2002	5.129527877606092
2003	5.018035413635284
2004	4.083826843169986
2005	9.021135857064445
2006	18.18042504659872
2007	19.612030906937534
2008	16.132122156912676
2009	11.080082327007403
2010	6.381283778963592
2011	5.25855775455397
2012	5.568989661362705
2013	6.680509619443422
2014	8.510843015902323
2015	8.72901439691289
2016	7.283549401352088
2017	4.458159989756928
2018	2.0645895098893643
2019	1.5067479533162735
2020	-1.6356044537723367
2021	-2.6052056082441086
2022	0.2961334423164524
2023	0.8223152887231598