Year	annual %
1972	5.83164474311005
1973	11.0853182063401
1974	19.2877754456961
1975	15.648058552389251
1976	10.416573414982924
1977	10.1869132045143
1978	8.51761476291623
1979	8.82854484452466
1980	14.175527931350299
1981	12.307785119389951
1982	7.12990675816712
1983	6.533108748933615
1984	6.08716673573716
1985	5.39325842696639
1986	3.140323962169555
1987	4.35289948980924
1988	4.037037037036985
1989	5.0740544301489
1990	7.15888095230381
1991	6.323448045517971
1992	4.596318642891795
1993	4.948889212626945
1994	3.611358001478365
1995	6.990592097426525
1996	5.9643202965740905
1997	3.96437805228409
1998	4.39423509983477
1999	3.823217510955565
2000	2.62462892556203
2001	3.962044055133035
2002	2.397865409336145
2003	2.31808274663101
2004	2.827485193912
2005	3.09449011456182
2006	4.25195321977967
2007	4.41099704193489
2008	8.0332732765034
2009	3.04361847939999
2010	3.3434265756174
2011	4.44083401028971
2012	4.17763587102515
2013	2.91354193604001
2014	1.20139964481058
2015	1.37488542621438
2016	1.65038994431573
2017	1.14765339305816
2018	2.32414485367921
2019	2.20607305781525
2020	1.79537147083108
2021	2.41070312174393
2022	6.37814695133351
2023	4.38984017487675