Year	annual %
1967	3.01694847502148
1968	4.09389143106836
1969	2.62934083658332
1970	4.65229749303154
1971	4.78411438154619
1972	6.671177665283695
1973	13.618317345837951
1974	23.244048532597247
1975	16.7735703245816
1976	9.79365327534651
1977	10.6889574207751
1978	10.30612922229655
1979	14.7221703689992
1980	17.91992414062665
1981	14.0479686718868
1982	7.81274141216489
1983	10.2436633526545
1984	11.5071695057309
1985	12.9616863143474
1986	9.764369243420624
1987	11.537536133789349
1988	8.012628905724124
1989	11.4096320065762
1990	21.5079881732679
1991	21.615741122444852
1992	10.6301996893038
1993	10.263623749654887
1994	9.70025033516308
1995	10.1932067630745
1996	7.35911781788776
1997	6.94956608534118
1998	5.11024954517559
1999	3.454397935875075
2000	4.60822998872598
2001	4.05508061344645
2002	3.95011663721593
2003	3.73373566167644
2004	4.380322865346081
2005	4.440575656879124
2006	4.25195321977967
2007	4.57808572377153
2008	8.10810810810782
2009	2.5004998875638353
2010	3.491288726188
2011	4.9777356370697
2012	3.78180754679678
2013	2.5286478853837
2014	3.38341272749477
2015	1.86148302863371
2016	1.65038994431573
2017	2.19201010962985
2018	2.32414485367921
2019	2.25212191358027
2020	0.99333702283873
2021	3.49505757399448
2022	7.7806152516404
2023	4.62930242419968