Year	annual %
1961	-0.1718259551964394
1962	1.3117596108748444
1963	2.355588017255016
1964	5.522419584836342
1965	3.614710216252462
1966	2.384442220563173
1967	0.7580745037825096
1968	3.617797700798306
1969	5.558768475877002
1970	5.44573199768341
1971	3.6599931219485313
1972	3.820085593033724
1973	4.56247025291367
1974	3.6529650588895635
1975	2.0969981534508975
1976	4.147224743516048
1977	2.5208298538271947
1978	1.7164670658166017
1979	2.5933067221760524
1980	2.649357651569531
1981	-0.21470041831793196
1982	0.7120706469111724
1983	-0.4741598322620888
1984	2.683841935527667
1985	2.4293450546753377
1986	1.6032977314606853
1987	2.508086943792094
1988	1.995120696532382
1989	1.1072861457571008
1990	1.199349747617191
1991	0.9273646898483747
1992	2.4941495995200142
1993	3.314193750371672
1994	3.4330225767753575
1995	2.8561884940416746
1996	4.527967827224003
1997	3.9629344078174285
1998	1.6963614757854941
1999	2.120285657390369
2000	4.034892989456523
2001	2.128405395147041
2002	3.2851324702571247
2003	4.47255772726389
2004	6.270574752494795
2005	5.943566288524863
2006	6.904399686169711
2007	7.568096126317926
2008	4.636195892525549
2009	2.7092714348751628
2010	6.861700120073323
2011	5.175328394945836
2012	4.313529681432058
2013	4.31339519893956
2014	3.8692840489075593
2015	3.5704017219789534
2016	3.5884815978776174
2017	4.168234190204274
2018	3.8575249727621213
2019	2.995835076386939
2020	-2.17704269330477
2021	6.562275926070811
2022	3.118100075214741
2023	3.7109714261653437