Year	annual %
1966	-1.36186770466907
1967	0.808678501054678
1968	0.182612665558996
1969	1.42568843148626
1970	10.1219512195636
1971	0.536224281695193
1972	-6.08151197179128
1973	8.91358024695813
1974	8.59215597391085
1975	6.55010438394199
1976	28.5378398237849
1977	16.6571395908503
1978	14.3081144649155
1979	16.0322359396519
1980	4.48253780600435
1981	6.13596718680434
1982	5.89006107723961
1983	-0.675378064854718
1984	8.41727378312053
1985	19.0646851444406
1986	-9.80876507050661
1987	-2.42867248283368
1988	7.08071532141089
1989	7.81730118223048
1990	5.15248124174767
1991	35.7225982298715
1992	10.5274440119592
1993	3.54306596166032
1994	7.59387600185337
1995	10.0221733553239
1996	-8.48424868948825
1997	2.39520958083829
1998	0.894801693964107
1999	7.94144864137325
2000	0.662458109266482
2001	-8.23784453391137
2002	0.675089102170801
2003	13.6740452028272
2004	3.32737047894847
2005	9.96997123512892
2006	12.2994763114825
2007	17.2404008340898
2008	44.3566858766952
2009	8.48364404530282
2010	8.14926402965082
2011	33.2499598823344
2012	23.600417677317
2013	7.46402192944517
2014	6.89001951597192
2015	9.56889955968623
2016	6.62813337230924
2017	10.6871150284238
2018	13.8330356586661
2019	15.8096321719344
2020	20.3563468559061
2021	26.8395221557722
2022	33.8898797100898
2023	30.2188278135278