As used in Sections 1951.2 to 1952.6, inclusive:
1940
1940.1
1940.2
1940.3
1940.4
1940.5
1940.6
1940.7
1940.8
1940.8.5
1940.9
1940.10
1940.20
[1941.]
1941.1
1941.2
1941.3
1941.4
1941.5
1941.6
1941.7
1942
1942.1
1942.2
1942.3
1942.4
1942.5
1942.6
1942.7
1943
1944
1945
1945.5
1946
1946.1
1946.5
1946.7
1947
1947.3
1947.5
1947.6
1947.7
1947.8
1947.9
1947.10
1947.11
1947.15
1948
1949
1950
1950.5
1950.6
1950.7
1950.8
1951
1951.2
1951.3
1951.4
1951.5
1951.7
1951.8
1952
1952.2
1952.3
1952.4
1952.6
1952.7
1952.8
1953
1954
1954.1
1940.1
1940.2
1940.3
1940.4
1940.5
1940.6
1940.7
1940.8
1940.8.5
1940.9
1940.10
1940.20
[1941.]
1941.1
1941.2
1941.3
1941.4
1941.5
1941.6
1941.7
1942
1942.1
1942.2
1942.3
1942.4
1942.5
1942.6
1942.7
1943
1944
1945
1945.5
1946
1946.1
1946.5
1946.7
1947
1947.3
1947.5
1947.6
1947.7
1947.8
1947.9
1947.10
1947.11
1947.15
1948
1949
1950
1950.5
1950.6
1950.7
1950.8
1951
1951.2
1951.3
1951.4
1951.5
1951.7
1951.8
1952
1952.2
1952.3
1952.4
1952.6
1952.7
1952.8
1953
1954
1954.1