Year	annual %
1961	13.270846893902032
1962	11.146744282461583
1963	8.227912118951267
1964	16.21813210994722
1965	12.392038892393003
1966	10.42481810421205
1967	2.755956766187367
1968	13.741217002020846
1969	20.856146861389433
1970	16.440008796037844
1971	12.55331583368151
1972	18.334474189226
1973	31.456422096695405
1974	37.691899952129205
1975	41.86725063033359
1976	32.73684767866635
1977	32.705948593329424
1978	46.248802490940875
1979	40.89737837153436
1980	52.475799710713716
1981	49.18540606225369
1982	53.6463829356984
1983	77.30506714758923
1984	26.880759939756842
1985	32.084543978588215
1986	24.586225125075245
1987	19.946489082725265
1988	23.13529275331743
1989	22.868413284928806
1990	15.171552232159186
1991	8.36534209630861
1992	3.4492895309868885
1993	1.831847542506381
1994	2.603377046022473
1995	2.9975695646373453
1996	2.4792913134935617
1997	2.7541005236664233
1998	4.714604932460958
1999	3.4988933721487
2000	4.024793341263518
2001	8.703749786054573
2002	5.872137846798026
2003	0.49186323590416237
2004	2.6750133342793987
2005	3.0658611057327647
2006	8.616684510931364
2007	4.333145634536663
2008	12.135281487269594
2009	10.804708514317056
2010	6.368854465342238
2011	3.0966695820554264
2012	3.440880300341618
2013	2.1245418386185406
2014	4.141651944600184
2015	6.054520348056897
2016	2.260860866933001
2017	0.9369928563319689
2018	2.6316121508001515
2019	4.456775801522099
2020	4.0158881198091905
2021	6.365709663814087
2022	8.85291252628349
2023	5.900794057174721