Year	annual %
1967	4.241781109943048
1968	2.734812160622056
1969	4.105660630660807
1970	5.225925820936311
1971	6.922435148501123
1972	-4.905812905500412
1973	26.44854135354113
1974	31.08615888536741
1975	20.74270196580339
1976	11.131130100210967
1977	12.48649653863832
1978	26.575104103720506
1979	15.73694358389082
1980	18.288010784912757
1981	8.324342878480095
1982	8.314788427613195
1983	16.96059681250817
1984	35.91919572182164
1985	28.528846389953856
1986	26.861122180826996
1987	10.822594575582855
1988	12.055576655298708
1989	12.369221281560257
1990	25.11710588360087
1991	43.84228763904858
1992	60.035733884995864
1993	52.806399666526005
1994	31.107246528846474
1995	25.186852402890224
1996	18.872107828523795
1997	9.608699200207596
1998	10.575072448255753
1999	6.916060812415651
2000	10.587080251325133
2001	7.807369400951728
2002	9.083848428988645
2003	11.62405511085089
2004	12.85859953419444
2005	11.46874386820869
2006	8.848192932659614
2007	11.32081037973522
2008	13.54680952548999
2009	11.656504980206364
2010	9.81023516820396
2011	5.796188472049749
2012	6.571903613882071
2013	8.415815656607492
2014	6.929945891480017
2015	6.655407823929593
2016	4.664111755766925
2017	6.5498273521461385
2018	4.993241149764856
2019	3.182503094658088
2020	3.464192044573309
2021	7.425960716614014
2022	12.79780038145148
2023	11.68655319319572