1971: Vol. 59, No. 11 1974: Vol. 62, No. 3, 5, 8-9, 11-12 1975: Vol. 63, No. 1-2, 4-9, 12 1976: Vol. 64, No. 1-5, 7-12 1977: Vol. 65, No. 1-8, 10-12 1978: Vol. 66, No. 1-7, 9-10 1979: Vol. 67, No. 1-3, 7-8 1980: Vol. 68, No. 1, 3, 4, 7 1981: Vol. 69, No. 1-8, 10-12 1982: Vol. 70, No. 1-7, 10-12 1983: Vol. 71, No. 1-6, 8-12 1984: Vol. 72, No. 1-12 1985: Vol. 73, No. 1-12 1986: Vol. 74, No. 1-12 1987: Vol. 75, No. 1-4, 6-12 1989: Vol. 77, No. 2-11 1990: Vol. 78, No. 1-12 1991: Vol. 79, No. 1-12 1992: Vol. 80, No. 1-5, 7-12 1993: Vol. 81, No. 1, 11 1995: Vol. 83, No. 1, 3, 4, 5, 7-12 1996: Vol. 84, No. 1-3, 5, 6, 8-12 1997: Vol. 85, No. 1-8, 11 1998: Vol. 86, No. 1, 2, 4, 7, 8, 9, 10, 12 1999: Vol. 87, No. 1, 2, 3, 5, 6, 7, 8, 9, 11, 12 2000: Vol. 88, No. 1-3, 5-9, 11 2001: Vol. 89, No. 1, 5 2002: Vol. 90, No. 1-12 2003: Vol. 91, No. 1-12 2004: Vol. 92, No. 1-10, 12 2005: Vol. 93, No. 1-12 2011: Vol. 99, No. 12