1906.5 ~ 1935.5

1935.8 ~ 1940.3

1940.3 ~ 1945.8

1946.6 ~ 1947.3

1947.4 ~ 1961.8

1973.4 ~ 1977.6

1977.7 ~ 1988.2

1988.12 ~ 1998.2

1998.3 ~ 1999.8

1999.9 ~ 2007.2

2007.3 ~ 2015.2

2015.3 ~ 2018.8

2018.9 ~ 현재

1983.3 ~ 1987.3

1998.3 ~ 1999.8

1999.9 ~ 2007.2

1999.9 ~ 2009.2

2009.3 ~ 2016.2

2016.3 ~ 2020.2

2020.3 ~ 현재