#年	MOI
1971	20.300
1972	16.833
1973	16.367
1974	25.167
1975	22.367
1976	23.500
1977	24.333
1978	19.733
1979	14.933
1980	22.733
1981	24.800
1982	19.633
1983	18.867
1984	24.467
1985	22.633
1986	24.500
1987	19.233
1988	19.900
1989	15.533
1990	13.600
1991	20.133
1992	16.867
1993	17.767
1994	19.867
1995	21.933
1996	24.933
1997	16.967
1998	14.867
1999	20.267
2000	21.800
2001	19.400
2002	18.700
2003	17.133
2004	20.767
2005	23.700
2006	24.600
2007	13.000
2008	19.080
2009	18.833
2010	22.167
2011	24.633
2012	24.433
2013	21.667
2014	18.633
2015	21.533
2016	21.333
2017	19.167
2018	24.033
2019	22.633
2020	13.900
2021	20.433
2022	22.800
2023    20.633
2024	18.300