Year	annual %
1960	0.360492346844622
1961	2.15517277670922
1962	5.27425952920732
1963	2.47161052896497
1964	5.86701538751922
1965	4.18722443998004
1966	3.250563343053
1967	4.57926975753999
1968	3.44829324254207
1969	2.96294951075211
1970	10.6372065264183
1971	6.22386323501293
1972	7.25843582961521
1973	7.41947283637503
1974	9.4117681321189
1975	11.6892234816854
1976	9.16147276547562
1977	9.10383971160298
1978	8.1616715433962
1979	4.50972761206209
1980	10.878661087866
1981	13.6429608127722
1982	11.3409961685824
1983	8.46524432209222
1984	6.21827411167512
1985	5.71485463958579
1986	7.17649274816357
1987	8.71704745166956
1988	6.67636598771417
1989	4.54614335505379
1990	4.1310334831135
1991	3.43819599109134
1992	2.32808504911857
1993	2.28826933193057
1994	1.37567498071479
1995	2.46036778693724
1996	1.26253249164502
1997	2.56692335900259
1998	2.25241329996423
1999	2.36596736596734
2000	3.08550609131276
2001	3.00419703998237
2002	1.28672528415184
2003	2.48782553461783
2004	0.45449850222084
2005	1.53213367609254
2006	2.32934980757544
2007	0.712589073634201
2008	3.75393081761005
2009	2.19738586853574
2010	2.41890639481001
2011	1.28495158809152
2012	0.696864111498362
2013	2.12048620353112
2014	2.04170286707211
2015	2.17113665389527
2016	3.54999999999998
2017	1.87510059552554
2018	2.76483134528788
2019	2.16773003305402
2020	1.28658490708005
2021	3.48388055266678
2022	5.76412317852272
2023	5.51784987104659