Year	annual %
1961	6.179553685981858
1962	3.380795076955451
1963	5.200093165281274
1964	9.814519676210281
1965	6.525099766488893
1966	6.201264145690558
1967	6.203949349535961
1968	7.136705949067206
1969	5.920698812160367
1970	8.70986095398527
1971	4.953214903850949
1972	5.3199457132325705
1973	5.6173179287304436
1974	-1.367524053172204
1975	6.467749749607606
1976	4.078484144621129
1977	7.3990757880165745
1978	6.521025356744104
1979	4.4244236150041445
1980	-0.5269804863324907
1981	-1.5703999273101772
1982	2.754160907742701
1983	1.5047565692152034
1984	-0.11686103574032813
1985	0.12142238771666314
1986	-1.8064599109146968
1987	2.3223003459372364
1988	5.671895019374446
1989	5.732125502387603
1990	1.539236679353209
1991	1.6621093512089686
1992	1.4945330357124362
1993	-1.3471237359603379
1994	1.4357453356108607
1995	2.0452945415047026
1996	2.2234572981760152
1997	3.947695781173863
1998	3.9880658458003637
1999	3.1011577499152594
2000	2.104935741721519
2001	3.0862568638355725
2002	4.700864769274872
2003	4.283930377021477
2004	3.3508420422860468
2005	2.9225800089643883
2006	2.473668075287108
2007	3.811391061999487
2008	3.3092887236698516
2009	-1.9283564399364082
2010	-6.639222572913667
2011	-8.530796888165838
2012	-7.069185688215811
2013	-2.7168890727574677
2014	0.5654967940828044
2015	0.30981108103809163
2016	-0.19539231436105808
2017	2.698844110751722
2018	1.9557014385165559
2019	1.8982663355734815
2020	-7.244254030846264
2021	7.075995401252342
2022	8.914241727223839
2023	2.4288716983708554