Year	annual %
1960	1.408335819225875
1961	1.044745451839825
1962	1.13017223673342
1963	1.433910340995945
1964	1.59552813373414
1965	1.9589132323239848
1966	3.41536722263443
1967	3.1763689449481047
1968	4.163547846027955
1969	5.011972550985185
1970	4.592147576060385
1971	3.498842360458765
1972	4.130153488799115
1973	6.832703673086275
1974	11.02598797524535
1975	9.907667730029694
1976	6.643275632656145
1977	7.23906469543705
1978	8.3023435951841
1979	10.199574054175606
1980	11.8392112417569
1981	11.40316387755715
1982	8.450199449994415
1983	4.538011631467185
1984	4.302656889575806
1985	3.7538373463728503
1986	3.046417006599485
1987	4.010335964867149
1988	4.05298762808007
1989	4.9053124649745605
1990	5.089216686633145
1991	4.9304140252342705
1992	2.2594762909475703
1993	2.4083681657324902
1994	1.3865022530309306
1995	2.4770900095575152
1996	2.250867662502915
1997	1.979453159076345
1998	1.274110777700815
1999	1.96143507401638
2000	3.048148614209525
2001	2.6756456293265654
2002	1.92221301795728
2003	2.514329093481135
2004	2.26724770583214
2005	2.8031494399465853
2006	2.613984748022835
2007	2.495528237084865
2008	3.104685485546975
2009	-0.028039731645208982
2010	1.708457491658075
2011	3.034488328672765
2012	1.79250774825287
2013	1.2015622767212435
2014	1.76442944229344
2015	0.6219342482476106
2016	1.34517137635806
2017	1.863497066094785
2018	2.3554044847045503
2019	1.880739549688025
2020	0.9752920143071035
2021	4.04652602445635
2022	7.40280048696867
2023	3.99766999081457