Year	annual %
1965	4.20186036589442
1966	3.21157397897554
1967	0.815190376680787
1968	0.956513164485543
1969	3.82887282683659
1970	2.87864534318793
1971	5.38588149243495
1972	5.6225596527748
1973	6.1201018646478
1974	22.100944418778
1975	8.19121283215929
1976	4.98681511862571
1977	3.10895289128426
1978	6.52844692261797
1979	14.0555922555516
1980	18.2178658946756
1981	30.5381774327711
1982	31.7897046510535
1983	19.328338591095
1984	9.85662095433889
1985	10.5564839573619
1986	14.4973321039129
1987	14.9931351322502
1988	26.8537971413812
1989	9.01299594555501
1990	11.7844838321357
1991	8.59264760490192
1992	14.5123786075771
1993	10.008361204014
1994	38.9417908989239
1995	49.0802100590784
1996	19.7563545439776
1997	4.48638261737399
1998	6.2080160866332
1999	9.92953399348781
2000	11.859684500028
2001	7.91694484529586
2002	16.4985255315846
2003	-1.70400479616298
2004	13.9558018033211
2005	18.3638246468932
2006	10.7656371554865
2007	10.2879663187671
2008	9.29650839381057
2009	8.95421802392949
2010	9.24732173644116
2011	9.48254048582992
2012	5.71384434191053
2013	5.8264294445198
2014	6.08040811088302
2015	7.40419174202129
2016	6.03575858154679
2017	8.60905075422949
2018	8.59422958870476
2019	5.61051441492365
2020	4.20179312190557
2021	5.81225118787715
2022	8.16059031991844
2023	9.87432675044888