Year	annual %
1961	4.737093833396595
1962	4.337994421981303
1963	4.3373757219161835
1964	4.278306373228044
1965	4.019648156367537
1966	4.077958959930078
1967	3.947271485631671
1968	3.8745700043774582
1969	3.604235510185282
1970	2.898804079195611
1971	2.4672465994413186
1972	2.5391530233900594
1973	2.482716024437464
1974	2.5802213681476163
1975	2.480325824126509
1976	2.3726885348729185
1977	2.300236974920032
1978	2.205159446967948
1979	1.98892079796583
1980	1.6951075289616888
1981	1.7436816536181228
1982	1.844860572928947
1983	1.9498027965833276
1984	1.884275376005843
1985	1.739127299900879
1986	1.7612538935150384
1987	1.7718769083874364
1988	1.6342360901651083
1989	1.6654865084543367
1990	1.1650226327549233
1991	0.8726844466152197
1992	0.38529625378757143
1993	-0.7402331565889401
1994	-0.8103631529160947
1995	0.22000946767875176
1996	0.6984827337538579
1997	0.6763241005739236
1998	0.7456923580451217
1999	0.9098061579346777
2000	1.1854583282955722
2001	0.9431754103033538
2002	0.9151192070439524
2003	1.0427609028442444
2004	1.2072799220101058
2005	1.1222072197699833
2006	1.0721827840026839
2007	0.9479123050451647
2008	0.9445530229101985
2009	1.2044697904012531
2010	1.255195820818249
2011	1.347053139866174
2012	1.8658695939665348
2013	2.2497581239433178
2014	2.3377883903602656
2015	2.4567338905915648
2016	2.5029020512174593
2017	2.4636636177689937
2018	2.5862805714327397
2019	2.7459308086461838
2020	2.6194840536236077
2021	3.682120671804492
2022	3.7759066784784996
2023	2.692458717434905