Year	annual %
1961	22.84909499696954
1962	0.8064869032733242
1963	13.894525614678884
1964	-6.889492993309418
1965	3.196979896100217
1966	-3.5682045480669586
1967	4.384129364126238
1968	-6.8896557354311625
1969	4.932970889456385
1970	-0.4023430206995755
1971	4.27356344812091
1972	8.346362137848502
1973	11.981686324541528
1974	8.811826198451683
1975	0.9060902800658681
1976	23.752444016454263
1977	6.547619053636765
1978	3.8308060859364446
1979	3.5165257472368694
1980	-10.061258496433481
1981	5.882352900563717
1982	5.497075927658955
1983	0.38379531032690295
1984	4.698385727098795
1985	6.954475461655377
1986	9.74203332117483
1987	8.891039826569
1988	6.791346748127253
1989	4.465148607100502
1990	7.186736771114852
1991	4.435446261712485
1992	6.512698582834986
1993	5.0820629557426
1994	4.136142861455426
1995	4.287736571452385
1996	5.587843926662444
1997	5.687477418866351
1998	6.071940177562141
1999	2.610932344130262
2000	8.202791748652729
2001	3.347540727314069
2002	1.6149186586243331
2003	5.925445489477312
2004	4.330019854643567
2005	1.7775430203445381
2006	4.865544607755297
2007	5.727016159816685
2008	5.38696254207251
2009	3.315076997907809
2010	4.377203223442933
2011	4.07753806610333
2012	3.496118364708664
2013	3.3604060997413256
2014	3.8269698200933675
2015	3.690556903694329
2016	3.862468263400004
2017	3.9379838063235297
2018	4.006740571985489
2019	2.891284993465163
2020	-14.54653814901657
2021	3.4037986617766194
2022	8.879885189711928
2023	6.952287985954314