1918 WAR TIME
1919 3/30-10/26
1920 5/02-09/26
1921 5/15-09/15
1922 5/14-09/17
1923 5/13-09/19
1924 5/04-09/21
1925 5/03-09/20
1926 5/02-09/19
1927 5/01-09/25
1928 4/29-09/30
1929 4/28-09/29
1930 4/27-09/28
1931 4/26-09/27
1932 5/01-09/25
1933 4/30-10/01
1934 4/29-09/30
1935 4/28-09/29
1936 4/26-09/27
1937 4/25-09/26
1938 4/24-09/25
1939 4/30-09/24
1940 4/28-09/29
1941 WAR TIME
1942 WAR TIME
1943 WAR TIME
1944 WAR TIME
1945 WAR TIME
1946 4/28-09/29
1947 4/27-09/28
1948 4/25-09/26
1949 4/24-09/25
1950 4/30-09/24
1951 4/29-09/30
1952 4/27-09/28
1953 4/26-09/27
1954 4/25-09/26
1955 4/24-09/25
1956 4/29-09/30
1957 4/28-10/27
1958 4/27-10/26
1959 4/26-10/30
1960 4/24-10/30
1961 4/30-10/29
1962 4/29-10/28
1963 4/28-10/27
1964 4/26-10/25
1965 4/25-10/31
1966 4/24-10/30
1967 4/30-10/29
1968 4/28-10/27
1969 4/27-10/26
1970 4/26-10/25
1971 4/25-10/24
1972 4/30-10/29
1973 4/29-10/28
1974 4/28-10/27
1975 4/27-10/26
1976 4/25-10/31
1977 4/24-10/30
1978 4/30-10/29
1979 4/29-10/28
1980 4/27-10/26
1981 4/26-10/25
1982 4/25-10/31
1983 4/24-10/30
1984 4/29-10/28
1985 4/28-10/27
1986 4/27-10/26
1987 4/05-10/25
1988 4/03-10/30
1989 4/02-10/29
1990 4/01-10/28
1991 4/07-10/27
1992 4/05-10/25
1993 4/04-10/31
1994 4/03-10/30
1995 4/02-10/29
1996 4/07-10/27
1997 4/06-10/26
1998 4/05-10/25
1999 4/04-10/31
2000 4/02-10/29
2001 4/01-10/28
2002 4/07-10/27
2003 4/06-10/26
2004 4/04-10/31
2005 4/03-10/30
2006 4/02-10/29
2007 3/11-11/04
2008 3/09-11/02
2009 3/08-11/01