Preserved : 1963: 24(2-12), 1964: 25(1-12), 1965: 26(1-12), 1966: 27(1-12), 1967: 28(1-12), 1968: 29(1-12), 1969: 30(1-12), 1970: 31(1-12), 1971: 32(1-12), 1972: 33(1-12), 1973: 34(1-12), 1974: 35(1-12), 1975: 36(1-12), 1976: 37(1-12), 1977: 38(1-12), 1978: 39(1-12), 1979: 40(1-12), 1980: 41(1-12), 1981: 42(1-12), 1982: 43(1-12), 1983: 44(1-12), 1984: 45(1-12), 1985: 46(1-12), 1986: 47(1-12), 1987: 48(1-12), 1988: 49(1-12), 1989: 50(1-24), 1990: 51(1-24) |