Year	annual %
1961	15.253993742283797
1962	-0.11496491833300126
1963	-2.6216106508966277
1964	-0.36203848314696074
1965	0.8697808034668952
1966	-1.5620708278184594
1967	0.8134972763034227
1968	1.363575748172181
1969	-3.79252871733334
1970	-2.614570450125413
1971	0.6659374023429478
1972	0.07418561621233266
1973	0.2084650193290969
1974	0.27773567086421735
1975	-1.1311751535884866
1976	-0.10628622787504582
1977	1.093771775671442
1978	1.6751424983773973
1979	3.600054771542432
1980	3.751777056666384
1981	2.357871421168099
1982	-0.14035508960765242
1983	1.156795262192972
1984	4.94416271275
1985	10.209399044134031
1986	4.669020797329964
1987	5.082516467654557
1988	12.10766149895612
1989	8.602465133721068
1990	5.711224168684396
1991	6.714536958482498
1992	8.190323021632167
1993	15.185864508950402
1994	20.616988811917707
1995	13.665696400196921
1996	6.506730635427772
1997	1.6165687420605934
1998	-0.9002516289440763
1999	-1.26305893875535
2000	2.062792613469867
2001	2.0470494572863345
2002	0.6020990782501059
2003	2.6031777190210335
2004	6.951992680864663
2005	3.9037442690798514
2006	3.926549396434126
2007	7.749686493038979
2008	7.795346036981911
2009	-0.2095333611806467
2010	6.881380253340552
2011	8.075684467040944
2012	2.3312175758119906
2013	2.1633700266545475
2014	1.0310636878039645
2015	-0.002944093649517754
2016	1.4073460273205143
2017	4.232681975223599
2018	3.4997476356719517
2019	1.2867004076623232
2020	0.49249391805741993
2021	4.552326578975709
2022	1.7857016421348249
2023	-0.5355697139484477