Year	annual %
1961	0.5162135945125499
1962	3.168805917630692
1963	-0.0657907081124165
1964	2.2511767176888213
1965	0.634499412707342
1966	2.049118212488736
1967	2.277800696232134
1968	1.992528669019407
1969	4.568061555938925
1970	7.317473461397128
1971	2.443549721670152
1972	6.413089166541425
1973	14.840421142209578
1974	23.21302672283305
1975	24.540889814963023
1976	16.60178169786694
1977	16.93877814388685
1978	7.908481530792628
1979	9.149968219668025
1980	18.829580408312225
1981	41.10214861404671
1982	84.17188939604748
1983	28.93150769258156
1984	16.694506313104696
1985	20.54521466316386
1986	18.04992351872275
1987	10.14438326894971
1988	18.83927342819743
1989	15.248319453039485
1990	18.54790029917801
1991	64.77468662329079
1992	19.72885313437429
1993	10.43557217032128
1994	15.670477339123437
1995	21.236243785601843
1996	15.075066835389862
1997	14.679892925466632
1998	11.93819492958798
1999	11.029471355423809
2000	9.389713549040707
2001	9.720937905926235
2002	9.786886284020895
2003	10.648236989935484
2004	13.35034942951117
2005	13.013325443748911
2006	12.984310489578618
2007	10.516785943753959
2008	11.423785789756963
2009	9.701330913435811
2010	6.628844912150726
2011	4.5932251422023995
2012	4.733632968425411
2013	4.590211672689165
2014	6.20692042541053
2015	3.9552153961299297
2016	1.958764798509165
2017	2.85888372957956
2018	2.192478428227602
2019	2.5667921177562505
2020	0.7725932467516259
2021	2.3741308255406324
2022	6.280385136802806
2023	-0.08792259692100401