Year	annual %
1969	-6.361290337444785
1970	8.153906706690364
1971	-0.20845201040958727
1972	6.257180168377445
1973	-6.354882367473863
1974	3.82273073936166
1975	7.276997740790293
1976	9.659722686163434
1977	-2.470085159005123
1978	-4.428368261847254
1979	7.480471513650883
1980	3.8162689248290462
1981	4.615492406482019
1982	8.122409541455227
1983	-5.579265850456821
1984	3.075554695233535
1985	3.5767765370851663
1986	3.328694092645307
1987	6.245509738044632
1988	-1.031638490266161
1989	4.29526923709777
1990	-0.29463248457265934
1991	2.611223983129406
1992	2.251692878953577
1993	0.4971932163161199
1994	-0.005740973325771392
1995	5.702732816671642
1996	3.2761267564690826
1997	2.918955237017613
1998	6.24337372823814
1999	5.672804280797436
2000	3.8359087461462167
2001	4.5594028676947005
2002	-0.1502198866615032
2003	5.949908330589409
2004	4.853177114359838
2005	4.3757388816422065
2006	2.594301414678469
2007	2.838632843528117
2008	3.9573707840091004
2009	1.9644490750324195
2010	3.513800271779232
2011	0.7051709263659518
2012	3.912501744301352
2013	2.3561825003589405
2014	5.901270312686677
2015	5.623911191556147
2016	6.27530667131451
2017	7.200803034607858
2018	6.465433457237509
2019	4.59783747157509
2020	2.3346551726022255
2021	5.5588650369104045
2022	3.1484467245580134
2023	3.3146547193426272