Year	annual %
1961	3.273598972233095
1962	2.867979906382212
1963	2.8695381011661767
1964	2.8035335162273323
1965	2.55560192650886
1966	2.6070108918208836
1967	2.477974215402382
1968	2.4066995097200774
1969	2.1333733163691155
1970	1.8217892935163835
1971	1.8573097575256565
1972	1.9259751487015655
1973	1.8703346298394024
1974	1.9646401390158756
1975	1.8698029360249298
1976	1.758891995221647
1977	1.6871971533698904
1978	1.5930668607766274
1979	1.7527668569972172
1980	1.9059758929262487
1981	1.954640650426944
1982	2.0558626865865013
1983	2.160990574822231
1984	2.0955820846252107
1985	1.9505429925357913
1986	1.9727325089421561
1987	1.98336421229308
1988	1.845945998587963
1989	2.3520894574723057
1990	2.388401638531256
1991	2.09549232927281
1992	1.6119140303011332
1993	0.48160429115146963
1994	0.4153197006160313
1995	1.445489402746201
1996	1.9237146265316936
1997	1.8970549062719402
1998	1.970676783664627
1999	1.8018859648124492
2000	1.1942180001713847
2001	0.9519558418123724
2002	0.9194158322104887
2003	1.0515452837914254
2004	1.2116464994140197
2005	1.1309498048931537
2006	1.076615619686939
2007	0.9566814032816167
2008	0.9533102027258338
2009	1.208790013086732
2010	1.15886416312976
2011	1.145784554368495
2012	1.5553522881327018
2013	1.8390663686812752
2014	1.8229486068800698
2015	1.8381570925322226
2016	1.7768636723333948
2017	1.6350019403614757
2018	1.6515469753739207
2019	1.7100982373426468
2020	1.4790615268107032
2021	2.4380425060853903
2022	2.429062743395283
2023	1.243804950389386