Year	annual %
1962	2.322530455505742
1963	3.0858748453326967
1964	3.3468804753410524
1965	3.0021909560261903
1966	3.7370022618910212
1967	2.898494359650094
1968	3.3106244875947084
1969	4.105660630660807
1970	4.722013830008478
1971	5.4644251798667725
1972	6.388138858082321
1973	11.618426854593622
1974	16.714355406778935
1975	10.65637827357098
1976	9.306933534068861
1977	9.69308560738991
1978	7.914918977967773
1979	11.51223771623404
1980	13.053545786589908
1981	10.0773395761492
1982	8.11308950866379
1983	7.7254932590189895
1984	7.923232848227386
1985	5.526820142826509
1986	5.09796961147002
1987	7.1082330926846495
1988	6.513415352208476
1989	7.147738827784437
1990	7.987849574411683
1991	8.671014741171646
1992	7.34406692918725
1993	8.085875532060868
1994	9.808157634572396
1995	8.667818238979422
1996	6.619638067794796
1997	4.640370849500769
1998	4.725408747150837
1999	4.339687601399135
2000	5.4244343271662245
2001	3.846153846153854
2002	3.6474762708811994
2003	3.9335033388896363
2004	5.629328294225203
2005	5.781251842554909
2006	5.510095287497236
2007	5.846892311935221
2008	7.849030377477732
2009	2.332361516034979
2010	4.364999735052294
2011	5.473736785227402
2012	3.593110847443512
2013	2.246122317924197
2014	1.9411989774866782
2015	2.264507272346073
2016	1.9398077467298265
2017	2.8940419140037363
2018	2.756312669935099
2019	2.395694666010037
2020	1.882275204082866
2021	4.643698667901262
2022	7.3324342493489425
2023	5.137467424690826