Preserved : 1976: 1(1-4), 1977: 2(1-4), 1978: 3(1-4), 1979: 4(1-6), 1980: 5(1-6), 1981: 6(1-6), 1982: 7(1-6), 1983: 8(1-8), 1984: 9(1-8), 1985: 10(1-10), 1986: 11(1-10), 1987: 12(1, S 1 7, 2-10), 1988: 13(1-12), 1989: 14(1-12), 1990: 15(1-12), 1991: 16(1-3, S 3, 4-6, S 6S, 7-8, S 8, 9-12), 1992: 17(1-6, S 6, 7-10, S 10S, 11-12), 1993: 18(1-13, S 14, 15-16), 1994: 19(1, S 2, 3, S 4, 5, S 6, 7-9, S 10, 11-13, S 14, 15-18, S 18, 19, S 20, 21, S 22, 23-24), 1995: 20(1-19, S 20, 21, S 22, 23-24), 1996: 21(1-24), 1997: 22(1-24, S 24S), 1998: 23(1-24), 1999: 24(1-24), 2000: 25(1-4, S 4S, 5-24), 2001: 26(1-24, S 24S), 2002: 27(1-16, S 16S, 17-24), 2003: 28(1-15, S 15S, s 15S-20, S 20S, 21-24), 2004: 29(1-24), 2005: 30(1-6, S 6S, 7-16, S 16S, 17, S 17S, 18-24), 2006: 31(1-11, S 11S, 12-19, Suppl 19S, 20-26), 2007: 32(1-11, S 11, 12-19, S 19, 20-26), 2008: 33(1-4, S 4S, 5-26), 2009: 34(1-22, S 22S, 23-26), 2010: 35(1-9, S 9S, 10-21, S 21S, 22-26, S 26S), 2011: 36(1-26), 2012: 37(1-26), 2013: 38(1, s1 22S, 2-26), 2014: 39(1, s1 22S, 2-26, Special Issue 26B), 2015: 40(1-24), 2016: 41(1-24), 2017: 42(1-24), 2018: 43(1-24), 2019: 44(1-24), 2020: 45(1-24), 2021: 46(1-24), 2022: 47(1-24), 2023: 48(1-24), 2024: 49(1-9) |
