Год: Том (Номера) / Year: Volume (Numbers)
1997: 53(1)
1996: 52(1,2)
1995: 51(4,5,6)
1994: 50(1,2,3,4,5,6)
1993: 49(1,2,3,4,5,6)
1992: 48(1,2,3,4,5,6)
1991: 47(1,2,4,6)
1990: 46(1,2-3,4,5,6)