Year	annual %
1961	4.497274696751546
1962	6.0797598286249155
1963	5.897859424047454
1964	4.268796444133542
1965	2.6907140857239256
1966	3.5192738630009757
1967	3.746566450062346
1968	3.23716774155902
1969	5.4729989800488426
1970	3.667660224435693
1971	4.654541545877905
1972	4.152918156453694
1973	4.803202353782396
1974	2.0637289670125654
1975	1.3825065524373912
1976	4.961894968058033
1977	2.0741603046095207
1978	3.3795953234716762
1979	2.885733077327785
1980	0.6414128494582201
1981	1.3895867287260728
1982	2.6607300990991263
1983	0.29143426735763
1984	0.14321933490153071
1985	1.336782369593621
1986	3.119464186960812
1987	2.7292047690574464
1988	2.774176704278304
1989	2.6574868327427907
1990	2.107835295558729
1991	-0.22831061115820717
1992	0.6221358358846345
1993	-0.4914224267373868
1994	1.295670452011933
1995	1.3530516824267238
1996	1.5970973946204197
1997	0.18026407457188043
1998	3.60071105608246
1999	2.9310804852064933
2000	2.956420171351226
2001	1.7735041748437936
2002	1.3410614500713507
2003	0.7669960297466787
2004	1.2043856742232038
2005	1.6526076144839408
2006	1.4372163570295413
2007	2.0067716488902505
2008	-0.03677285596076274
2009	-0.2085332183709454
2010	1.3827125970011593
2011	0.133167102033255
2012	-0.903881403736932
2013	-0.008272101357121642
2014	0.34868069704478444
2015	1.1188311015774417
2016	1.5116686657880507
2017	1.184596274781697
2018	0.620803200992782
2019	1.4218415595124156
2020	-6.868154192115057
2021	4.837250336747289
2022	1.9855531817122483
2023	0.26062511459747384