Year	annual %
1975	-2.8802675075803847
1976	11.002999071939087
1977	7.078618766123327
1978	4.4265329417395805
1979	8.373783119275345
1980	-1.0649003687876046
1981	-4.817626909867755
1982	-1.328117090022289
1983	-0.27352923235520166
1984	3.2495255935806426
1985	0.13148210142787775
1986	1.5043644574681565
1987	3.1269231798745807
1988	2.4253809481373594
1989	1.8695777466867014
1990	1.4115083857368518
1991	-1.1987329727658391
1992	-1.0693378095761688
1993	1.412003652144307
1994	1.9113462616308965
1995	3.3455038330288573
1996	2.595277211162255
1997	2.7211971818432232
1998	2.857731842887418
1999	1.6042797592240987
2000	4.366379273975852
2001	1.3937492372188416
2002	1.7915269816556503
2003	2.5476372865013133
2004	3.0629062565117806
2005	3.0097519649294355
2006	4.310671579408364
2007	3.965326238704094
2008	0.32209667010201315
2009	-4.589836856471237
2010	1.2679361466827714
2011	1.895430645466888
2012	0.7275967647309756
2013	0.31233808453822576
2014	1.09355745514425
2015	1.6067828741712589
2016	2.037103414305122
2017	2.9703902347537223
2018	2.453975235193525
2019	2.355493395129926
2020	-7.20021076391177
2021	5.981122573969586
2022	6.564578572041341
2023	3.4647518719854276