Preserved : 1986: 1(1-4), 1987: 2(1-4), 1988: 3(1-4), 1989: 4(1-4), 1990: 5(1-4), 1990: 6(1-4), 1991: 7(1-4), 1991: 8(1-4), 1992: 9(1-4), 1992: 10(1-4), 1994: 11(1-6), 1995: 12(1-4), 1996: 13(1-4), 1997: 14(1-4), 1998: 15(1-5), 1999: 16(1-5), 2000: 17(1-6), 2001: 18(1-6), 2002: 19(1-6), 2003: 20(1-6), 2004: 21(1) |
Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1, 2, 3-4); 10 (1, 2-3, 4); 11 (1 to 6); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 5); 16 (1 to 5); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1) |