Begin
1873: Temporary1873: Temporary1874: Indefinite time1874: Indefinite time1880: Indefinite time1880: Indefinite time1882: Indefinite time1882: Indefinite time1883: Indefinite time1883: Indefinite time1885: Indefinite time,Temporary1885: Indeterminate time,Temporary1903: Indeterminate time1903: Indeterminate time1906: Indeterminate time1906: Indeterminate time1914: Indeterminate time1914: Indeterminate time1915: Indeterminate time1915: Indeterminate time1919: Indeterminate time1919: Indeterminate time1924: Indefinite time1924: Indefinite time1935: 1935: 1939: Indefinite time1939: Indefinite time1945: Indefinite time1947: Temporary,Indefinite time1947: Temporary,Indefinite time1950: Indefinite time1950: Indefinite1952: Indefinite1952: Indefinite1954: Indefinite1954: Indefinite1962: Indefinite1962: Indefinite1962: Temporary1960: 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