Year	annual %
1961	3.60294370228382
1962	3.60758797797709
1963	3.31667940729263
1964	3.03769142205752
1965	3.05654357193186
1966	3.07865835097222
1967	2.99967921013486
1968	2.9465202316356
1969	2.98455510165485
1970	3.01679148010412
1971	2.81478027187097
1972	2.59006816088724
1973	2.57477324169417
1974	2.56965182144616
1975	2.36532399323664
1976	2.18247280889236
1977	2.22285830596904
1978	2.58797081408317
1979	2.91744683031018
1980	2.90553837152007
1981	2.88336192480883
1982	2.86815144329786
1983	2.85073186370192
1984	2.83368891327297
1985	2.7931202688737
1986	2.72607048225782
1987	2.67203550457982
1988	2.28086040789837
1989	1.88656309831489
1990	1.8496015994527
1991	1.83294082975406
1992	2.42585179084049
1993	3.0032459622543
1994	2.61935914964438
1995	1.35420827378859
1996	0.413363891520276
1997	0.31362961567264
1998	0.245350376291555
1999	0.119311952075623
2000	0.152297026498527
2001	0.213720197420152
2002	0.0392962405699845
2003	-0.167115773241494
2004	-0.328790000684937
2005	-0.447886780617126
2006	-0.577652222559237
2007	-0.699624839506227
2008	-0.758815202826041
2009	-0.772033459891083
2010	-0.259914003442924
2011	0.277526573301423
2012	0.319268822321146
2013	0.347720569318122
2014	0.381376448431569
2015	0.400941558500249
2016	0.422085800331518
2017	0.45835209921657
2018	0.450852095694507
2019	0.404844283265269
2020	0.650605243674555
2021	0.910158700223977
2022	0.908957180951961
2023	0.924204879960664