Year	annual %
1971	4.144894727621562
1972	3.429894592718412
1973	9.104877008416622
1974	1.3987925454926398
1975	-1.5560445563776142
1976	-1.2264528552924645
1977	1.248288483643023
1978	0.037758253901841954
1979	6.265011537878166
1980	-6.015620183956798
1981	0.7814929164618576
1982	-5.417044360288585
1983	-3.3065402628740657
1984	3.141594786266097
1985	-3.880109408304719
1986	3.266374277875755
1987	-3.90242061242148
1988	-0.546178567717817
1989	2.976117254880492
1990	2.196788848297345
1991	-1.7052531334510235
1992	3.702536559969687
1993	0.656581614470511
1994	3.496262145097262
1995	3.2831774765049317
1996	1.8375560169798604
1997	-2.6198062528076065
1998	-0.09332340445328668
1999	2.806186065983212
2000	-3.1051995222148037
2001	-0.37166527121755166
2002	0.7133099216255943
2003	0.6765553593099298
2004	2.6819367377611627
2005	1.1827980956001625
2006	1.131250379328847
2007	-0.7763001296236922
2008	0.9777698835663529
2009	-1.6683266752313557
2010	2.5921501606943878
2011	2.706976323385547
2012	-0.10035130005573478
2013	2.086203390959753
2014	2.49388159585358
2015	2.6643775137412007
2016	2.6663803576775678
2017	2.898194908960477
2018	1.7003115082099924
2019	0.18306673326864598
2020	-11.32818462202178
2021	-4.187634122690312
2022	7.782232620429923
2023	4.229616821754135