Year	annual %
1961	2.3654060723942223
1962	6.198953675544345
1963	4.466649699840474
1964	5.86788679536339
1965	6.392852517641018
1966	6.523608464862335
1967	2.548962849159281
1968	4.8147110171794765
1969	3.2531809793418347
1970	0.43370101771726866
1971	3.351698339069813
1972	5.275138815313568
1973	5.732035925385091
1974	-0.21783820855078773
1975	-0.053726178755511
1976	5.433539722099795
1977	4.529806002719724
1978	5.377302093456009
1979	3.2130283707373195
1980	-0.044106249352481086
1981	2.614328518107939
1982	-1.925182384214878
1983	4.406438527608472
1984	7.118362817971359
1985	4.2143769616621825
1986	3.3503200901461128
1987	3.5065861455791776
1988	4.196652636192198
1989	3.5577485571028404
1990	1.7444365097738057
1991	-0.27310820465777397
1992	3.308204869333082
1993	2.7444883310785713
1994	4.064132892387093
1995	2.6850118352172387
1996	3.6073181162110615
1997	4.434224650584383
1998	4.4370912534050575
1999	4.8150174143221705
2000	4.161970417193089
2001	1.0302225426721918
2002	1.801247401283689
2003	2.7170386602162893
2004	3.787375448068559
2005	3.461283230408469
2006	2.7743146388875317
2007	2.008083046305728
2008	0.18162437757939642
2009	-2.6046076445568787
2010	2.7239591705829014
2011	1.6862113173695263
2012	2.2433785983202483
2013	2.133496887814374
2014	2.5494471366516223
2015	2.761104557824325
2016	1.7574135916477616
2017	2.5028449623679734
2018	2.9478931418384775
2019	2.4227333766758505
2020	-2.434355245743774
2021	5.761285545526491
2022	2.078673678576237
2023	2.429616697342567