Year	annual %
1977	2.1871713985278656
1978	5.760919467443443
1979	35.35161512439002
1980	58.04828417548632
1981	9.726964845499328
1982	-11.090917207119308
1983	-1.6432244783784367
1984	32.37074309049807
1985	29.522366681357425
1986	25.3618534381925
1987	11.898743625673058
1988	14.260461421376744
1989	19.90717521275664
1990	18.593050456228408
1991	24.75745095368102
1992	12.56037418908994
1993	35.90384180941117
1994	23.993585544006493
1995	15.406878169186244
1996	26.133630350407262
1997	23.3193743939238
1998	22.998321867559326
1999	3.5276763838191907
2000	4.171970896595978
2001	7.773689449456207
2002	21.584649724658668
2003	17.17928476884745
2004	31.36789867046775
2005	10.612660563444612
2006	18.87193244284924
2007	24.1010320976589
2008	21.848194473951715
2009	14.409279679553244
2010	14.642038244830824
2011	20.00928573012648
2012	4.927922865552501
2013	18.37410416877073
2014	14.868301212930549
2015	12.11479859841179
2016	-0.18248003645965194
2017	5.1569789260080805
2018	3.382038228085319
2019	9.529385113793204
2020	14.192374954413504
2021	26.185111938058686
2022	6.037786930616462
2023	6.859612058598241