1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950   1950 1950 . 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930 1930       1930       1940 1940 1940