Year	annual %
1973	14.600300880057077
1974	21.51340153170483
1975	3.630818886556227
1976	13.479185201818765
1977	0.9292036990635353
1978	-3.267185233957875
1979	3.117238638788834
1980	-7.790501658637979
1981	0.3980290349360871
1982	11.52984136110014
1983	5.514167464776264
1984	3.1038159457045253
1985	2.8789433806084617
1986	-2.5502290503630576
1987	8.417668474217123
1988	-5.0097142110429616
1989	5.253206373944906
1990	5.773204096185509
1991	4.124442157451426
1992	3.680934662809989
1993	6.042276297459125
1994	2.4872104668918382
1995	1.590510557715703
1996	6.093175351210277
1997	2.0027949751683565
1998	3.178282277685568
1999	6.226934357966925
2000	3.8945129320642877
2001	4.335542548662843
2002	4.8204957502432535
2003	4.594180498871992
2004	5.864782441357647
2005	5.723263967398367
2006	5.927964775726366
2007	7.850390688015835
2008	4.894975145237666
2009	2.0364140137838973
2010	4.961003856457481
2011	32.52607424664612
2012	-0.3742053643901926
2013	-0.4189008556122644
2014	0.7984207461588397
2015	-0.7541664000258947
2016	6.463767175458315
2017	3.266305880567913
2018	0.34294793870689944
2019	-0.6114719958286656
2020	-4.924643094501903
2021	7.921085602845409
2022	4.030324130640352