Year	annual %
1974	167.45989541788532
1975	46.138679479744845
1976	89.94580621754609
1977	-7.246800687613408
1978	13.103381704688053
1979	3.679512053573969
1980	29.108130652383878
1981	23.662577678032527
1982	15.648458767564
1983	8.011579282120174
1984	28.968490915444704
1985	6.436794852100296
1986	4.389363855953014
1987	5.499249177167305
1988	5.854204586821988
1989	8.652029100888468
1990	-8.1977590681775
1991	14.54282167976831
1992	4.615917163325507
1993	-1.5767288630576457
1994	7.897390923043192
1995	10.218374922105719
1996	6.859551873747864
1997	9.043960341377009
1998	4.197036021306893
1999	11.454284094590218
2000	15.322573320375298
2001	21.947089447030375
2002	10.52281460910001
2003	15.174606142770324
2004	23.739700450541868
2005	30.64587553201086
2006	23.301226826351815
2007	41.40799397257624
2008	21.27113442330227
2009	8.079433238883043
2010	6.277088975439329
2011	5.079193604035857
2012	4.4870131547070775
2013	22.744263560782247
2014	7.912904735239293
2015	5.454724780261376
2016	3.2555987991408957
2017	4.135933184001044
2018	2.5305237125422857
2019	8.004542842119422
2020	4.630807704119686
2021	5.709292597694993
2022	8.995377553142145
2023	18.770621468926553