Preserved : 1973: 3(1-5), 1974: 4(1-5), 1975: 5(1-4), 1976: 6(1, 4-5), 1977: 7(1-2, 5), 1978: 8(1, 4-5), 1979: 9(1-4), 1980: 10(1-5), 1981: 11(1-5), 1982: 12(1-5), 1983: 13(1-5), 1984: 14(1-5), 1985: 15(3-5), 1986: 16(1-4), 1987: 17(1-4), 1988: 18(1-4), 1989: 19(1-4), 1990: 20(1-2), 1991: 21(1, 4), 1992: 22(1-2), 1993: 23(3-4) |
Preserved : 1; 2 (2 to 4); 3 (1 to 6); 4 (1 to 6); 5 (1 to 4, 5-6); 6 (1, 2-3, 4 to 6); 7 (1, 2, 3-4, 5, 6); 8 (1, 2-3, 4 to 6); 9 (1 to 4); 14 (1); 15 (3 to 5); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1, 2, 3-4); 21 (1, 2-3, 4); 22 (1, 2, 3-4); 23 (1-2, 3, 4); 24 (1, 2, 3-4); 25 (1-2, 3, 4) |