Year	annual %
1960	4.13993575518437
1961	2.40046104546321
1962	5.33128007065639
1963	4.99915289796841
1964	3.21119170293105
1965	2.70310455873084
1966	2.60200076636444
1967	2.7917770943515
1968	4.54320486402014
1969	6.04596284173893
1970	5.29964124562675
1971	5.39751865595105
1972	6.06300309718187
1973	7.38060106398912
1974	13.6493174728139
1975	11.6859272493228
1976	9.62549578155529
1977	9.49455467190434
1978	9.2505584672443
1979	10.6467341716664
1980	13.5625788483016
1981	13.3144055680071
1982	11.9784719523806
1983	9.45954847235318
1984	7.67380262247321
1985	5.83109973854516
1986	2.53852591781417
1987	3.28889821400133
1988	2.70081527508113
1989	3.49830220700749
1990	3.19428338029475
1991	3.21340732409687
1992	2.36376046269353
1993	2.10446277124644
1994	1.65551532926993
1995	1.79648142095595
1996	1.98288365089738
1997	1.20394294026962
1998	0.651126867833049
1999	0.537141639134645
2000	1.67595988720927
2001	1.63478079549601
2002	1.9234122872706
2003	2.09847219146923
2004	2.14208964640241
2005	1.74586936380482
2006	1.67512449608723
2007	1.4879980595386
2008	2.81286194914787
2009	0.0876204781574552
2010	1.53112270420926
2011	2.11159795174994
2012	1.9541953161351
2013	0.863715497861805
2014	0.50775882293799
2015	0.0375143805125182
2016	0.18333486112386
2017	1.03228275064662
2018	1.85081508315502
2019	1.10825492288294
2020	0.476498852725066
2021	1.64233141038385
2022	5.22236748369735
2023	4.87835726508441