Year	annual %
1961	5.341778022170573
1962	3.9739449888865437
1963	5.146610107907819
1964	7.175768389871905
1965	5.023289939826569
1966	4.723843626271233
1967	7.362064371448767
1968	12.06376651222729
1969	4.150325900963352
1970	3.848593171271858
1971	7.3641024345627955
1972	8.244071578358742
1973	13.772039490156445
1974	22.071397318551234
1975	13.567990050990787
1976	13.124681754932126
1977	9.418664286199615
1978	7.454189313106369
1979	8.304981738090376
1980	9.635582501450273
1981	11.633806430617582
1982	9.051795529409219
1983	8.190430708837624
1984	8.44239528234074
1985	5.2165893358119035
1986	4.750176112561718
1987	4.284084067217478
1988	7.683148334733005
1989	6.530139353803804
1990	5.195402427019772
1991	1.511766068545242
1992	0.8877467836779829
1993	1.7659012315250635
1994	1.8454109565116568
1995	4.201113189227982
1996	-0.07827596554588467
1997	2.0804217710311406
1998	3.097937531824286
1999	0.9270358852235745
2000	1.6378314323308274
2001	3.3033808888253304
2002	0.9442642976015776
2003	0.18992370622940768
2004	0.6026612490444165
2005	0.9289412154385843
2006	0.9207234146128656
2007	2.753280703104096
2008	3.0372367724096136
2009	1.7739052214677145
2010	0.3229306664992606
2011	2.623533349922198
2012	2.973972340099195
2013	2.558294509738573
2014	1.6316233366533481
2015	1.616746497049263
2016	0.08742545829345261
2017	0.8192628972587812
2018	2.0018362764970448
2019	1.4965541923019714
2020	1.6346789981099903
2021	2.3979571923775183
2022	5.383796524461502
2023	4.797593686901706