Year	annual %
1961	4.293503649030001
1962	3.7500606480457463
1963	2.7749834151698565
1964	-0.48536284137142616
1965	-1.7871917862589441
1966	1.9213490609462696
1967	4.864406166789649
1968	6.945376864609017
1969	1.4158336466819037
1970	3.036120487311365
1971	2.141618928623231
1972	9.885673412113931
1973	6.269434670430357
1974	37.472154366290624
1975	14.658148073586716
1976	-5.7765537102170725
1977	1.6795652102649399
1978	14.787785742790334
1979	6.562940068783433
1980	11.77879324654809
1981	4.3407395466404495
1982	4.302404551148371
1983	8.91968461045738
1984	19.28175219569532
1985	14.51009889810176
1986	12.293362690549287
1987	58.71082111637341
1988	23.646037717068637
1989	162.54600971486178
1990	56.444609564666905
1991	134.53764412728023
1992	11.30074367281236
1993	16.950888801422195
1994	16.572397275826177
1995	12.35170874909845
1996	3.930579753464599
1997	1.4432537062100153
1998	2.970092815272068
1999	11.210506950425156
2000	6.5860437256788344
2001	0.3219715640835119
2002	2.618751572400413
2003	4.718566729448568
2004	6.775237838914123
2005	7.632428919345884
2006	174.85770474256776
2007	8.211010385473273
2008	9.554748586189916
2009	1.1531139569827928
2010	3.9722524192748807
2011	2.4093198298071883
2012	4.727615066650557
2013	-0.5366805281057196
2014	-2.105403886670331
2015	3.0043095168452254
2016	0.8981759265169984
2017	2.1090078739521374
2018	-2.8874879253939127
2019	2.9611884630726735
2020	-26.29609907454234
2021	22.471218831686258
2022	11.988299317673665
2023	-14.259105956532025