Year	annual %
1971	5.117107089168947
1972	6.700100480072358
1973	12.275028450575476
1974	15.549126084290734
1975	8.378411575717507
1976	8.376200651543357
1977	7.718912826359158
1978	6.603947127677202
1979	10.64300283470292
1980	12.59887241077449
1981	9.066060741348501
1982	7.6842351702110605
1983	6.9501205419881416
1984	4.94416271275
1985	3.835606885782994
1986	4.669020797329964
1987	7.497125853514149
1988	7.32801561467528
1989	6.448661887132289
1990	6.6794693688700875
1991	6.412955334098655
1992	6.797764116975017
1993	4.371724765896211
1994	3.909167594104183
1995	3.1191442413710604
1996	3.8670581481845545
1997	3.386202788787017
1998	3.6452118284330197
1999	2.8736604869036384
2000	2.8707742292844642
2001	2.729438907995842
2002	3.1288831986340853
2003	2.7943987277299627
2004	3.4007611128810566
2005	3.9494388299143424
2006	4.053957900248278
2007	3.16937484521209
2008	6.796866360828901
2009	2.087224469163985
2010	2.929044854340951
2011	3.8204819367372735
2012	2.7306572642251368
2013	1.9367561957824933
2014	2.272644777052733
2015	2.435482085945047
2016	1.9027872166263151
2017	2.8873209802499744
2018	3.2066452746209393
2019	1.499486194790947
2020	1.2236092399405152
2021	3.164474941839771
2022	5.51810234091468
2023	4.145203684090298