Year	annual %
1962	1.099817049438677
1963	4.680812500789081
1964	3.738696067797825
1965	2.7282875044438413
1966	4.716648093088899
1967	2.3231768157864607
1968	2.3676421396913554
1969	3.5893560890203275
1970	4.358263178428402
1971	5.97597045631835
1972	5.553683675971314
1973	10.00483197209472
1974	12.853755268261494
1975	8.220700514105857
1976	8.44952547852462
1977	8.686529116866225
1978	7.248224622744971
1979	11.488763144686317
1980	14.501653026749153
1981	10.047858744175258
1982	7.503304020555831
1983	7.799984610982477
1984	10.922317627739474
1985	3.685778325313848
1986	2.4538805489826814
1987	7.189361313860346
1988	7.119410930143346
1989	5.960655247837195
1990	7.602112651421194
1991	7.845197531628685
1992	13.164398974014759
1993	7.742645675799054
1994	22.080150494604652
1995	10.288490712873049
1996	10.814767319739062
1997	6.577746189028105
1998	6.001350895766684
1999	7.789687625442667
2000	9.777061445123962
2001	6.554118436008437
2002	5.253741278192294
2003	6.8004417591580335
2004	5.794264605446031
2005	10.072132103637003
2006	7.461344539657773
2007	7.036661074582156
2008	9.324009324009324
2009	1.8621318930236868
2010	6.392401389530988
2011	8.580398958147882
2012	5.893158922512924
2013	3.053459169250374
2014	2.0142126302225734
2015	2.8735872490253627
2016	2.3560115277348714
2017	3.653099902082282
2018	5.177876208992593
2019	3.972146228601325
2020	3.1176655304554686
2021	7.841648001962639
2022	10.106417235373783
2023	6.074169522558499