Year	annual %
1961	4.213292637565829
1962	6.833795827216662
1963	1.3186556866558163
1964	3.4783790134538037
1965	2.5800922873329313
1966	5.147316957242751
1967	0.9101588697262031
1968	-2.6677148304960525
1969	0.6120955555188488
1970	0.7088385929012446
1971	1.9622605219052502
1972	0.7229318101251323
1973	3.5079147359100773
1974	6.608861507715673
1975	1.7049285657828648
1976	-1.0226973623402102
1977	-2.111325188836915
1978	-5.064181835283421
1979	1.523717083327952
1980	3.3195180855504844
1981	2.9625111783582554
1982	-2.6230422143414387
1983	-12.5615669545397
1984	1.143797385640383
1985	-0.32137853590469945
1986	6.925231407661244
1987	7.268893647713995
1988	-11.464726006276464
1989	-14.260548215283137
1990	-7.066018542402006
1991	0.07417609552314275
1992	-2.543927188473674
1993	3.155013693796647
1994	10.110380753241444
1995	5.365021247673823
1996	0.9076593257573364
1997	4.5539237921873905
1998	-2.1386249092877847
1999	-0.18304568867212367
2000	1.1447729924788348
2001	-0.7246897147822722
2002	4.220570170747436
2003	3.075842180861926
2004	3.9401121595990816
2005	5.328379246832711
2006	6.64304687824702
2007	7.686264095270673
2008	8.346943040316134
2009	0.3878890207763561
2010	7.516169673336776
2011	5.432110096324834
2012	5.169761904563202
2013	4.833347799767338
2014	1.3192012565219216
2015	2.0489567322859727
2016	2.547867081727432
2017	0.9855139441130376
2018	2.0372497930251114
2019	0.3066419688863675
2020	-12.216686594760702
2021	11.974359193484219
2022	1.7174898997512003
2023	-1.4277350463904384