April 1936 July 1936 Sept 1936 Nov 1936
Jan 1937 Mar 1937 May 1937 July 1937 Sep 1937 Nov 1937
Jan 1938 Mar 1938 May 1938 July 1938 Oct 1938 Dec 1938
Feb 1939 Apr 1939 Jun 1939 Aug 1939 Oct 1939 Nov 1939
Apr 1940 Jun 1940 Aug 1940 Nov 1940 Jan 1941 Jun 1941 Nov 1941
Apr 1942 Jul 1942 Dec 1942 Mar 1943 Aug 1943 Nov 1943
Apr 1944 Aug 1944 Dec 1944 Apr 1945 July 1945 Dec 1945
Apr 1946 Sep 1946 Dec 1946 Mar 1947 Aug 1947 Dec 1947
Apr 1948 Sep 1948 Dec 1948 Apr 1949 Aug 1949 Dec 1949
Apr 1950 Aug 1950 Dec 1950 Apr 1951 Aug 1951 Dec 1951
Apr 1952 Aug 1952 Dec 1952 Apr 1953 Aug 1953 Dec 1953
Apr 1954 Aug 1954 Dec 1954 Apr 1955 Aug 1955 Dec 1955
Apr 1956 Aug 1956 Dec 1956 Apr 1957 Aug 1957 Dec 1957
Apr 1958 Aug 1958 Dec 1958 Apr 1959 Aug 1959 Dec 1959
Apr 1960 Aug 1960 Dec 1960 Apr 1961 Aug 1961 Dec 1961
Apr 1962 Aug 1962 Dec 1962 Apr 1963 Aug 1963 Dec 1963
Apr 1964 Aug 1964 Dec 1964 Apr 1965 Aug 1965 Dec 1965