Year	annual %
1961	4.605284270591483
1962	7.581692346184198
1963	1.4127748811358316
1964	3.2044089687048682
1965	3.005327036439482
1966	4.727220880298063
1967	0.6785233693659194
1968	-3.181163647903702
1969	0.5176190621750294
1970	1.6793645679167497
1971	2.4469164388184197
1972	0.7303102967824344
1973	3.0881573716897464
1974	7.0290996690370235
1975	1.7265445621558797
1976	-1.9489856152293328
1977	-0.20390782238443705
1978	-6.653358217022458
1979	-0.1559394149328881
1980	4.331789144452586
1981	3.526965393781495
1982	-2.6323089682950354
1983	-14.218395902940387
1984	0.9312442139929828
1985	0.41024395010309433
1986	5.737378931397231
1987	8.105432781659033
1988	-14.45226776181282
1989	-12.014987815375775
1990	-6.520070259888456
1991	3.818915911095914
1992	-2.943531325451076
1993	2.768618463134203
1994	9.550713188759914
1995	4.964955895060626
1996	2.17729222876153
1997	4.856641714246422
1998	-1.1760402277518551
1999	-0.19558375478780476
2000	0.6786284429255858
2001	-0.14427698390090882
2002	3.703385306613896
2003	2.1332782061101625
2004	2.0535508969756364
2005	4.087670928474978
2006	4.11554504224938
2007	7.975642167112767
2008	9.528296930295625
2009	1.0665703165214495
2010	5.861041970126152
2011	5.112455797645168
2012	6.556053168453417
2013	6.281808114535579
2014	2.0518038910915664
2015	3.320269489369636
2016	1.779590785399776
2017	0.4209777526118472
2018	1.682350324917465
2019	1.7339604404257898
2020	-11.349105779869546
2021	5.64039018653429
2022	3.039498374528023
2023	0.3526294683954774