Begin
1873: Temporary1873: Temporary1874: Indefinite time1874: Indefinite time1880: Indefinite time1880: Indefinite time1882: Indefinite time1882: Indefinite time1883: Indefinite time1883: Indefinite time1885: Indefinite time,Temporary1885: Indefinite time,Temporary1903: Indefinite time1903: Indefinite time1906: Indefinite time1906: Indefinite time1914: Indefinite time1914: Indefinite time1915: Indefinite time1915: Indefinite time1917: Indefinite time1917: Indefinite time191919: Indefinite time191924: Indefinite time1924: Indefinite1935: 1935: 1937: Indefinite1937: Indefinite1938: Indefinite1938: Indefinite1939: Indefinite1939: Indefinite1939: Indefinite1943: Temporary,Indefinite1943: Temporary,Indeterminate time1945: Indeterminate time1945: Indeterminate time1947: Temporary,Indeterminate time1947: Temporary,Indeterminate time1950: Indeterminate time1950: Indeterminate time1952: Indefinite1952: Indefinite1954: Indefinite1954: Indefinite1962: Indefinite1962: Indefinite1960: ZZP,Temporary1960: ZZP,Temporary1961: ZZP,Temporary1961: ZZP,Temporary1964: Indefinite1964: Indefinite1965: Indefinite1965: Indefinite1966: Indefinite1966: Indefinite1966: Indefinite1967: Indefinite1967: Indefinite1969: Indefinite1969: Indefinite1969: Indefinite1970: Indefinite1970: Indefinite time1975: Indefinite1975: Indefinite1976: Indefinite1976: Indefinite1972: Indefinite time1972: Indefinite time1973: Indefinite time1973: Indefinite time2001: Indefinite time2001: Indefinite time