Year	annual %
1961	8.10867221090605
1962	4.7899413163530795
1963	4.879199088613291
1964	5.256350786198595
1965	2.104554915449185
1966	2.461457456723636
1967	3.055922167438979
1968	3.58802600373987
1969	5.632912122545903
1970	6.37740651942093
1971	4.075442436723151
1972	3.2005086071765163
1973	3.049907610443171
1974	1.454908031565921
1975	-7.2831745376110035
1976	-1.4036760287926597
1977	2.433652098364078
1978	0.4090835331482623
1979	2.4915123613855457
1980	4.601977363846203
1981	1.601335726868541
1982	-1.309417455312385
1983	0.6390795595941228
1984	3.008456392992457
1985	3.67359587310645
1986	1.8586327168779349
1987	1.585478380611363
1988	3.277596036957007
1989	4.330794211245177
1990	3.6746255931761738
1991	-0.9158166684563298
1992	-0.04373300349658393
1993	-0.12598339460370767
1994	1.2697576760622553
1995	0.48086644894942765
1996	0.4712800209462955
1997	2.261325239028622
1998	3.0299691703928033
1999	1.6627012841828446
2000	3.958719719335164
2001	1.5756619674415617
2002	-0.07321708404265337
2003	-0.03239847653777872
2004	2.701709209670284
2005	2.749698984984846
2006	4.0736284499427455
2007	3.916375817781798
2008	2.8079836316869233
2009	-2.297374630715453
2010	3.243397335501726
2011	1.8131081920369496
2012	1.1792538332510816
2013	1.792144057074836
2014	2.349881275086261
2015	1.6446276869928482
2016	2.068689667099605
2017	1.3627995571141582
2018	2.860445794616325
2019	1.1419823250527656
2020	-2.1417372065005367
2021	5.391888041414731
2022	2.5683281783406926
2023	0.7160668686958331