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{{1976,1984}},
{{1976,1986}},
{{1976,1990}},
{{1976,1991}},
{{1976,1994}},
{{1977,1978}},
{{1977,1979}},
{{1977,1981}},
{{1977,1983}},
{{1977,1985}},
{{1977,1987}},
{{1977,1990}},
{{1977,1991}},
{{1977,1995}},
{{1978,1980}},
{{1978,1981}},
{{1978,1983}},
{{1978,1987}},
{{1978,1988}},
{{1978,1989}},
{{1978,1993}},
{{1979,1980}},
{{1979,1981}},
{{1979,1982}},
{{1979,1986}},
{{1979,1988}},
{{1979,1989}},
{{1979,1992}},
{{1980,1981}},
{{1980,1986}},
{{1980,1987}},
{{1980,1991}},
{{1980,1993}},
{{1980,1995}},
{{1981,1986}},
{{1981,1987}},
{{1981,1990}},
{{1981,1992}},
{{1981,1994}},
{{1982,1986}},
{{1982,1987}},
{{1982,1988}},
{{1982,1989}},
{{1982,1991}},
{{1982,1993}},
{{1982,1994}},
{{1983,1986}},
{{1983,1987}},
{{1983,1988}},
{{1983,1989}},
{{1983,1990}},
{{1983,1992}},
{{1983,1995}},
{{1984,1985}},
{{1984,1987}},
{{1984,1988}},
{{1984,1989}},
{{1984,1990}},
{{1984,1992}},
{{1984,1993}},
{{1984,1995}},
{{1985,1986}},
{{1985,1988}},
{{1985,1989}},
{{1985,1991}},
{{1985,1992}},
{{1985,1993}},
{{1985,1994}},
{{1986,1989}},
{{1986,1991}},
{{1986,1995}},
{{1987,1988}},
{{1987,1990}},
{{1987,1994}},
{{1988,1990}},
{{1988,1992}},
{{1988,1995}},
{{1989,1991}},
{{1989,1993}},
{{1989,1994}},
{{1990,1991}},
{{1990,1993}},
{{1990,1995}},
{{1991,1992}},
{{1991,1994}},
{{1992,1993}},
{{1992,1994}},
{{1992,1995}},
{{1993,1994}},
{{1993,1995}},
{{1994,1995}},
{{1996,1997}},
{{1996,1998}},
{{1996,1999}},
{{1996,2000}},
{{1996,2001}},
{{1996,2002}},
{{1996,2003}},
{{1996,2004}},
{{1996,2005}},
{{1996,2006}},
{{1997,1999}},
{{1997,2000}},
{{1997,2001}},
{{1997,2002}},
{{1997,2003}},
{{1997,2005}},
{{1997,2009}},
{{1997,2013}},
{{1997,2015}},
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{{1998,2000}},
{{1998,2001}},
{{1998,2002}},
{{1998,2004}},
{{1998,2006}},
{{1998,2010}},
{{1998,2014}},
{{1998,2016}},
{{1999,2002}},
{{1999,2006}},
{{1999,2007}},
{{1999,2008}},
{{1999,2010}},
{{1999,2011}},
{{1999,2012}},
{{2000,2001}},
{{2000,2005}},
{{2000,2007}},
{{2000,2008}},
{{2000,2009}},
{{2000,2011}},
{{2000,2012}},
{{2001,2004}},
{{2001,2007}},
{{2001,2008}},
{{2001,2010}},
{{2001,2011}},
{{2001,2013}},
{{2002,2003}},
{{2002,2007}},
{{2002,2008}},
{{2002,2009}},
{{2002,2012}},
{{2002,2014}},
{{2003,2004}},
{{2003,2008}},
{{2003,2009}},
{{2003,2012}},
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{{2005,2008}},
{{2005,2009}},
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{{2011,2013}},
{{2011,2014}},
{{2011,2016}},
{{2012,2013}},
{{2012,2014}},
{{2012,2015}},
{{2013,2014}},
{{2013,2016}},
{{2014,2015}},
{{2015,2016}},
{{2017,2018}},
{{2017,2019}},
{{2017,2020}},
{{2017,2021}},
{{2017,2022}},
{{2017,2023}},
{{2017,2024}},
{{2017,2025}},
{{2017,2026}},
{{2017,2027}},
{{2018,2020}},
{{2018,2021}},
{{2018,2022}},
{{2018,2023}},
{{2018,2024}},
{{2018,2025}},
{{2018,2026}},
{{2018,2028}},
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{{2019,2020}},
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{{2019,2022}},
{{2019,2023}},
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{{2019,2025}},
{{2019,2027}},
{{2019,2029}},
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{{2020,2023}},
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{{2020,2031}},
{{2020,2035}},
{{2020,2037}},
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{{2021,2030}},
{{2021,2034}},
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