Preserved : 1970: 3(5-6), 1971: 4(1-6), 1972: 5(1-6), 1973: 6(1-3), 1974: 7(1-12), 1975: 8(1-12), 1976: 9(1-12), 1977: 10(1-12), 1978: 11(1-12), 1979: 12(1-12), 1980: 13(1-12), 1981: 14(1-12), 1982: 15(1-12), 1983: 16(1-12), 1984: 17(1-12), 1985: 18(1-12), 1986: 19(1-12), 1987: 20(1-12), 1988: 21(1-12), 1989: 22(1-12), 1990: 23(1-12), 1991: 24(1-12), 1992: 25(1-12), 1993: 26(1-12), 1994: 27(1-12), 1995: 28(1-12), 1996: 29(1-12), 1997: 30(1-12), 1998: 31(1-12), 1999: 32(1-12), 2000: 33(1-12), 2001: 34(1-12), 2002: 35(1-4, 4, Part s, 5-12), 2003: 36(1-12), 2004: 37(1-12), 2005: 38(1-12), 2006: 39(1-12), 2007: 40(1-12), 2008: 41(1-12), 2009: 42(1-12), 2010: 43(1-12), 2011: 44(1-12), 2012: 45(1-4, 6-9, 11), 2013: 46(1-2, 8-12), 2014: 47(1-12), 2015: 48(1-12), 2016: 49(1-12), 2017: 50(1-12), 2018: 51(1-12), 2019: 52(1-12), 2020: 53(1-12), 2021: 54(1-12), 2022: 55(1-12), 2023: 56(1-12), 2024: 57(1-3) |