Year	annual %
1971	7.845870991838751
1972	8.518077713469225
1973	11.849433856078079
1974	15.945201298200914
1975	16.78179540749845
1976	16.489857215661544
1977	23.383092556526464
1978	20.631041405103417
1979	16.93168907281617
1980	13.354813841548065
1981	12.351173215106087
1982	13.582349832027603
1983	11.8842352506624
1984	10.864734374836615
1985	8.595463759908114
1986	10.878815258643698
1987	5.944198809856189
1988	5.936124988875747
1989	6.896207141217545
1990	7.326243658341355
1991	6.935148361608839
1992	6.710768960511416
1993	4.537232146758583
1994	3.879858321586312
1995	4.933121049365525
1996	0.7971777293212625
1997	2.2281603066612234
1998	1.499553843312711
1999	2.731979525351022
2000	28.74155289759915
2001	3.0805351791655937
2002	3.2395317698777717
2003	3.1774842155647605
2004	3.0424239980269476
2005	3.3961021299505205
2006	3.457184086703961
2007	3.2112273413143555
2008	2.274338319843224
2009	0.1321361324054635
2010	0.37431375811011947
2011	0.1967641520310508
2012	0.17455690577948246
2013	0.44849220019473535
2014	-0.08401931655707529
2015	0.6605889591378684
2016	0.3477953815757928
2017	1.1365093431963942
2018	1.0124784800529767
2019	1.3747535082918887
2020	1.1137860741040129
2021	2.5595565255635933
2022	4.235990228782029
2023	5.859905503036671