Year	annual %
1961	4.3075138194325335
1962	4.332398299353975
1963	3.8759897191616495
1964	4.6524233949549565
1965	5.455820031719827
1966	6.6925401851179664
1967	6.8395594962870625
1968	6.655507739914718
1969	6.436285365424172
1970	6.393241890875253
1971	6.679510009529278
1972	4.236572795222774
1973	4.0444595422723095
1974	6.714874200924695
1975	6.697085539669338
1976	6.403710913196653
1977	6.74729092643971
1978	7.070169687681031
1979	6.626856326841065
1980	7.933134946133961
1981	7.752138562017834
1982	6.180320180193597
1983	6.360251537180835
1984	6.1231056507076085
1985	5.827796613601404
1986	5.560991968560401
1987	5.955121419402154
1988	5.855845900031182
1989	5.568143601563082
1990	5.665683877602871
1991	4.896337782101163
1992	5.396053762740049
1993	-0.5619573800562375
1994	3.320735184942949
1995	8.785555983690799
1996	2.710851717119896
1997	2.6293288042132756
1998	4.609154639135606
1999	4.968386819876761
2000	4.62153763088361
2001	5.048884501329634
2002	5.372687857740854
2003	5.707083167266122
2004	6.274791469757111
2005	6.249386007060902
2006	6.1285832128698905
2007	6.207720605913645
2008	6.654543905872859
2009	7.596415415179003
2010	7.210724871959491
2011	6.07570677801742
2012	6.053998153884623
2013	6.091330472440486
2014	5.874201054182828
2015	4.720912812461477
2016	4.163273379969744
2017	4.821943467674995
2018	5.5171353691877565
2019	5.79490607932596
2020	5.39363293751375
2021	5.193691054779389
2022	5.181768292812172
2023	5.185255012263228