Year	annual %
1977	18.4568835098337
1978	18.1353767560665
1979	20.8828828828831
1980	21.821433894768
1981	18.7874709409026
1982	7.81274141216489
1983	6.09534728193344
1984	5.65961278703288
1985	2.50138492350979
1986	0.557079903550532
1987	-0.872333388457509
1988	4.00000000000013
1989	5.59294871794896
1990	2.72423736530525
1991	2.64460367880678
1992	3.77833753148618
1993	2.80859916782245
1994	3.77065767284965
1995	1.86882475298978
1996	2.03235172127782
1997	1.24452782989343
1998	1.37769330389496
1999	0.577427638677119
2000	2.18181818181821
2001	3.14099305202543
2002	1.06721547992874
2003	2.15492809908679
2004	2.3129167822611
2005	3.475806937554
2006	4.25195321977967
2007	3.85882922469653
2008	8.0332732765034
2009	-0.308654779585642
2010	3.43650905943351
2011	3.0334728033474
2012	2.41077704021862
2013	-0.0439997864828058
2014	-0.98360305555498
2015	-0.515448031435329
2016	1.65038994431573
2017	0.908458255874249
2018	0.804102313277033
2019	0.598149764736022
2020	-0.740732597045498
2021	1.21951193916838
2022	2.5805392590792
2023	2.69612269814564