16 to 41

18 to 41

41

Preserved : 1977: 15(1-6), 1978: 16(1-6), 1979: 17(1-6), 1980: 18(1-6), 1981: 19(1-6), 1982: 20(1-6), 1983: 21(1-9), 1984: 22(1-12), 1985: 23(1-12), 1986: 24(1-12), 1987: 25(1-12), 1988: 26(1-12), 1989: 27(1-12), 1990: 28(1-12), 1991: 29(1-12), 1992: 30(1-12), 1993: 31(1-12), 1994: 32(1-12), 1995: 33(1-12), 1996: 34(1-12), 1997: 35(1-12), 1998: 36(1-12), 1999: 37(1-12), 2000: 38(1-12), 2001: 39(1-12), 2002: 40(1-12), 2003: 41(1-12), 2004: 42(1-12), 2005: 43(1-12), 2006: 44(1-12), 2007: 45(1-4, 4, Part s, 5-12), 2008: 46(1-12), 2009: 47(1-12), 2010: 48(1-12), 2011: 49(1-12), 2012: 50(1-9, 11), 2013: 51(1-2, 8-12), 2014: 52(1-12), 2015: 53(1-12), 2016: 54(1-11, 11, Part s, 12, 12, Part s), 2017: 55(1-12), 2018: 56(1-12), 2019: 57(1-12), 2020: 58(1-12), 2021: 59(1-12), 2022: 60(1-12), 2023: 61(1-12), 2024: 62(2-11)

Preserved : 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 9); 22 (1 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 4 to 6 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 3 to 5 to 12); 46 (1 to 12); 47 (1 to 12); 48 (1 to 12); 49 (1 to 12); 50 (1 to 12); 51 (1 to 12); 52 (1 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1 to 12); 58 (1 to 12); 59 (1 to 12); 60 (1 to 12); 61 (1 to 12); 62 (1, 3)