ProperInterval
[1946-01-01, 1948-06-30][1946-01-01, 1949-12-07][1946-01-01, 1958-01-31][1946-01-01, 1960-04-20][1946-01-01, 1963-04-30][1946-01-01, 1967-05-31][1946-01-01, 1990-02-28][1946-01-01, 1990-03-20][1946-01-01, 1990-05-21][1946-01-01, 1991-08-24][1946-01-01, 1991-09-05][1946-01-01, 1991-11-19][1946-01-01, 1992-01-14][1946-01-01, 1992-12-31][1946-01-01, 1993-05-22][1946-01-01, 1993-05-23][1946-01-01, 2000-06-11][1946-01-01, 2016-06-30][1946-03-10, 2016-06-30][1946-03-22, 2016-06-30][1946-04-17, 1958-02-01][1946-05-25, 2016-06-30][1946-07-04, 2016-06-30][1947-08-14, 1948-12-31][1947-08-15, 1948-12-31][1948-01-04, 2016-06-30][1948-02-04, 2016-06-30][1948-05-14, 1967-05-31][1948-07-01, 2016-06-30][1948-08-15, 2016-06-30][1948-09-09, 2016-06-30][1949-01-01, 1971-12-15][1949-01-01, 2016-06-30][1949-06-29, 2016-06-30][1949-09-21, 1990-10-02][1949-10-05, 1990-10-02][1949-12-08, 2016-06-30][1949-12-27, 1963-04-30][1951-12-24, 1972-12-31][1952-04-28, 2016-06-30]