Year	annual %
1961	2.9900634646976556
1962	2.010371570425008
1963	3.0139171557781737
1964	3.0262739690583658
1965	2.994578299800324
1966	3.6610668045652375
1967	1.9796306042064842
1968	2.1927423748959995
1969	3.5893560890203275
1970	3.960561146989278
1971	4.458444375608977
1972	5.950279211573843
1973	12.575532138610797
1974	17.72789836381361
1975	9.618618619938331
1976	9.332911656274511
1977	10.576355851607616
1978	8.982345695884234
1979	12.234918149740494
1980	13.898534825435256
1981	9.577975179868133
1982	8.11308950866379
1983	8.896133652392066
1984	10.17720449894518
1985	7.934208584016588
1986	6.569952894922309
1987	9.327893305982442
1988	9.069183859634776
1989	8.71587422051305
1990	10.69209450169415
1991	13.751818940881662
1992	11.915633250761104
1993	11.297973858390549
1994	17.191302909356736
1995	10.986411961136227
1996	9.074834888785134
1997	7.006173042026262
1998	6.840405748946694
1999	6.837045117830158
2000	7.877580765541936
2001	5.826618943435307
2002	4.698928162019669
2003	5.759740766556746
2004	7.126841555053915
2005	7.026790842590074
2006	7.80012735973601
2007	7.095515787762906
2008	9.372730255634679
2009	3.023044970584948
2010	6.512003689056684
2011	8.190798598622422
2012	4.85594551850788
2013	3.621296542024794
2014	3.1924061125192793
2015	2.9278993647316653
2016	3.007716601570074
2017	4.055265402608811
2018	3.61211059645764
2019	3.0849408344592746
2020	2.8293010224794486
2021	5.834887886910089
2022	8.330903988542886
2023	5.001720394876031