Year	annual %
1966	0.14566752903868974
1967	0.8374109877869387
1968	-0.010663822980546911
1969	3.5639042250928696
1970	-0.2564610599945212
1971	2.7244947943799502
1972	-1.1375281329310951
1973	0.07027577852124978
1974	1.8008407388773833
1975	0.8874102726940407
1976	0.2928609050224935
1977	1.4401468021798536
1978	0.32413549827310817
1979	2.736909918986669
1980	0.9859100214137015
1981	3.403697802040881
1982	3.616199068766335
1983	-2.649184566399171
1984	0.6000712655704064
1985	-4.708546906663486
1986	6.569952894922309
1987	2.3381909149462103
1988	-2.594420583556513
1989	6.275355268211484
1990	22.24525459916353
1991	62.23036503655928
1992	1310.308815614646
1993	15444.420423053696
1994	6041.47404707409
1995	162.73388551076027
1996	43.03027050092271
1997	6.534975171174182
1998	6.9403213402784445
1999	9.728841759447064
2000	4.678210815104308
2001	5.374346401556224
2002	5.919074670174723
2003	3.4260102101025183
2004	8.433694478327496
2005	7.9351029706329115
2006	8.447305260347633
2007	9.467508103273332
2008	9.5923273865413
2009	-2.135768242993308
2010	15.90582835915437
2011	9.171711282973959
2012	0.29116647142262764
2013	-0.6509650164553022
2014	4.5899044837015595
2015	5.377421676518978
2016	2.2748184298969676
2017	7.546744998381143
2018	3.4848162867912436
2019	3.995680345572339
2020	6.847933387699044
2021	10.229587650372963
2022	8.135450143848061
2023	2.477583932710999