Year	annual %
1961	3.583360231500208
1962	4.478174441949818
1963	1.6846915143242711
1964	6.557552301943701
1965	-5.003311472487283
1966	4.05258253258242
1967	-0.689156344392643
1968	3.8289506580285746
1969	4.79149162959196
1970	3.716182866414357
1971	5.124619452478058
1972	3.4289030927116215
1973	2.51805788748203
1974	3.7113812041958454
1975	0.733468463239987
1976	4.6963258870907225
1977	1.7786064007307374
1978	5.971724491776371
1979	1.9632760103161644
1980	2.0321086802032227
1981	0.5716296869977384
1982	-0.8154939466558488
1983	-1.8310347791428683
1984	0.5447006402196024
1985	-0.33737311825007055
1986	1.0513211922961432
1987	1.5941711609119409
1988	1.5693480293691948
1989	1.0755872410978924
1990	0.8731990504226843
1991	-0.47777220476004345
1992	1.0115669402163832
1993	4.028859069958443
1994	3.880083438113118
1995	3.465968938768981
1996	-0.7843263495129662
1997	0.5960341846030133
1998	-2.512624861686348
1999	-6.966932553162167
2000	0.35825590305155686
2001	-0.03919904535068497
2002	0.4464887032741558
2003	1.4288378771047263
2004	2.390765033246069
2005	3.016255838336889
2006	4.996537961252102
2007	5.239788639782361
2008	2.906143631817784
2009	0.5638916727406951
2010	3.875432817586315
2011	4.353293265000119
2012	4.541317503841924
2013	3.596165395298769
2014	3.266361473749697
2015	2.12594966265236
2016	0.5038734346078968
2017	0.5220764888069738
2018	1.2979900960894781
2019	2.1826210307781935
2020	-6.393542362317376
2021	13.419327653073282
2022	9.921629258099117
2023	-0.3855166758846309