Year	annual %
1976	8.643398594121427
1977	-3.7224502061245763
1978	10.425749817117776
1979	15.47776776723727
1980	11.189640270160703
1981	15.939765832450503
1982	13.477752659653369
1983	23.8177901407567
1984	5.675157514231179
1985	11.38213656326051
1986	18.1339380002289
1987	36.49709961348099
1988	17.900784095896423
1989	13.340303228168441
1990	3.632939719075306
1991	15.361491757001447
1992	10.093897367475467
1993	7.228011850817337
1994	8.894436376206155
1995	19.710304401948815
1996	-2.1079022769464726
1997	7.146348633949801
1998	14.810493226161158
1999	24.835437136862918
2000	6.049031374285623
2001	4.931932397223935
2002	5.353972417800509
2003	15.578081586501252
2004	6.134431691501412
2005	8.84654076810275
2006	11.590837821546414
2007	11.366031013988014
2008	3.3028776223755876
2009	-9.792956452772902
2010	0.24568065602254258
2011	1.4654312307786053
2012	2.5864862945199505
2013	1.3436040098726418
2014	1.3912398645751756
2015	5.816729360527754
2016	-1.2451091479240717
2017	7.24704264343661
2018	7.208472630994203
2019	-0.44875522744275315
2020	-8.719531787626742
2021	13.865234925269823
2022	4.596262242753047
2023	4.571865037467406