Year	annual %
1961	6.2733355104074064
1962	2.813945138445334
1963	3.785043083660483
1964	5.009650986623868
1965	5.285608800552197
1966	3.7865132548974287
1967	6.256079006355549
1968	2.259875528192623
1969	4.50461145559143
1970	1.9433005054833927
1971	5.673611185905614
1972	5.330604858482076
1973	4.532933951472103
1974	3.922181709719055
1975	4.952103080070344
1976	5.825533861104162
1977	4.160714874475474
1978	3.869354428896159
1979	4.37250644905167
1980	4.5642429885892
1981	1.598343922798918
1982	0.2353224318434144
1983	3.9730073825075607
1984	6.052381366454313
1985	5.553404922530163
1986	4.042112233495601
1987	1.7534969881564137
1988	-0.255126895859874
1989	1.0382523545940217
1990	1.9322913278736422
1991	3.084438584638221
1992	3.574458949692797
1993	2.8451827322681282
1994	5.055273981294178
1995	4.155592243327561
1996	5.027964265771146
1997	5.284606594728075
1998	2.668686622989071
1999	2.0720471707587933
2000	3.318945670981563
2001	2.0671304605461813
2002	1.3775570014649645
2003	0.9449093911187134
2004	4.014588017097282
2005	2.685122890822484
2006	2.4614731337032794
2007	2.9140399860717423
2008	0.48191954123197434
2009	-1.940364695051116
2010	0.7870518454954407
2011	1.1056560273372753
2012	2.717959266789819
2013	1.0161908240927175
2014	2.0481319985508435
2015	1.8573397264330254
2016	1.1647242349728515
2017	2.4637462851014647
2018	0.828900664137592
2019	1.123777874367974
2020	-1.2781717845225984
2021	3.9086867768941715
2022	3.005635160762978
2023	0.5141182265953432