Год: Том (Номера) / Year: Volume (Numbers)
2002: 56(10)
1999: 53(1,2,3)
1995: 49(1,2,3,4,5,6)
1994: 48(1,2,3,4,5,6)
1993: 47(1,2,3,4,5,6)
1991: 45(1,2,3,4,5,6,7,8)
1990: 44(1,2,3,4,5,6,7,8)