Year	annual %
1977	11.89304475248025
1978	9.53338085606525
1980	15.487911459019951
1981	13.02864799699345
1982	10.81658525470495
1983	10.62075364802405
1984	10.284098213138
1985	8.50837434391595
1986	8.72972072702581
1987	8.189074494810805
1988	8.91047020013381
1989	8.929941428940264
1990	10.858965778278701
1991	12.4452441633871
1992	10.0561167448841
1993	10.6332425818308
1994	20.5661948376355
1995	11.1287029707089
1996	8.827050617563435
1997	7.12532722513057
1998	6.81079323797194
1999	4.46435467675891
2000	4.18234633956547
2001	5.00743290822373
2002	3.8957052575849
2003	4.52733824219011
2004	4.463468407365751
2005	6.08218729535043
2006	6.12556615620282
2007	6.14356655248047
2008	10.2783937621135
2009	3.99895451849944
2010	4.08972989470464
2011	5.799111731459165
2012	5.00686319367273
2013	4.3411548980431
2014	3.51695551369241
2015	3.14341696227424
2016	2.81833288054802
2017	3.44637335032669
2018	3.2072001235349
2019	2.67599202639893
2020	2.9402951426397
2021	4.22278962033194
2022	8.72600159126721
2023	6.274396676985425