Year	annual %
1961	-0.6675965177094412
1962	6.651478454124302
1963	1.4695632303386645
1964	5.742072508445872
1965	4.196968864737755
1966	3.936075441228269
1967	6.240202763837189
1968	8.0122639297322
1969	8.21193329599464
1970	8.150415317307534
1971	7.450047502802477
1972	3.654047346550655
1973	7.160461169554338
1974	5.671476443160103
1975	3.955722964458431
1976	6.692989486908843
1977	3.9205015308041595
1978	6.89415977275911
1979	7.095933271458293
1980	-1.549810379582837
1981	3.786312133239477
1982	5.890261510112339
1983	7.6564095494297675
1984	6.3839973469738425
1985	6.253558874472603
1986	8.25704597498411
1987	7.527285986481488
1988	8.316035227887639
1989	9.72610580288466
1990	8.974543607708284
1991	7.983839491897982
1992	5.865046158502537
1993	5.866734027932367
1994	8.111050560475988
1995	9.615967249678363
1996	6.721967034250525
1997	3.2489981998019744
1998	-12.555798304058456
1999	11.253690454650439
2000	8.410008168743559
2001	4.9844429164411395
2002	8.349236423291572
2003	-0.8935375604390003
2004	0.002294124455175961
2005	4.4346117154408375
2006	4.372111503204664
2007	4.753122260296138
2008	0.8544875793918578
2009	-0.2963455195153699
2010	3.8726140651005494
2011	2.1587932685701645
2012	1.1212256853139877
2013	1.274055654205867
2014	1.355583162592339
2015	1.6725962833526324
2016	2.1860476051923854
2017	2.486711114583244
2018	2.734069245966552
2019	1.7579293875363646
2020	-4.953757745884033
2021	3.7105278936345485
2022	4.325246116725182
2023	1.7200441770645938