Preserved : 1956: 1(1-12), 1957: 2(1-12), 1958: 3(1-12), 1959: 4(1-12), 1960: 5(1-12), 1961: 6(1-12), 1962: 7(1-12), 1963: 8(1-12), 1964: 9(1-12), 1965: 10(1-12), 1966: 11(1-12), 1967: 12(1-12), 1968: 13(1-12), 1969: 14(1-12), 1970: 15(1-12), 1971: 16(1-12), 1972: 17(1-12), 1973: 18(1-12), 1974: 19(1-12), 1975: 20(1-12), 1976: 21(1-12), 1977: 22(1-12), 1978: 23(1-12), 1979: 24(1-12), 1980: 25(1-12), 1981: 26(1-12), 1982: 27(1-12), 1983: 28(1-12), 1984: 29(1-12), 1985: 30(1-12), 1986: 31(1-12), 1987: 32(1-12), 1988: 33(1-12), 1989: 34(1-12), 1990: 35(1-12), 1991: 36(1-12), 1992: 37(1-12), 1993: 38(1-12), 1994: 39(1-12), 1995: 40(1-12), 1996: 41(1-12), 1997: 42(1-12), 1998: 43(1-12), 1999: 44(1-6), 2000: 45(1-6), 2001: 46(1-6), 2002: 47(1-6), 2003: 48(1-6), 2004: 49(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6, S 6, S 7, S 8, S 9, S 10, S 11, S 12, S 13, S 14), 2005: 50(1-52), 2006: 51(1-52), 2007: 52(1-52), 2008: 53(1-52), 2009: 54(1-51), 2010: 55(1-52), 2011: 56(1-52), 2012: 57(1-50)

Preserved : 2013: 58(1-51), 2014: 59(1-52), 2015: 60(1-52), 2016: 61(1-52), 2017: 62(1-51)

Preserved : 49 (Supplement, 1 to 6); 50 (1 to 52); 51 (1 to 52); 52 (1 to 52); 53 (1 to 52); 54 (1 to 51); 55 (1 to 52); 56 (1 to 52); 57 (1 to 50); 58 (1 to 51); 59 (1 to 52); 60 (1 to 52); 61 (1 to 52); 62 (1 to 51)