Changes
/* Missing (not scanned) */
'''1987'''
* 1987/02 (only 70 pages scanned)
* 1987/03..12 (nothing scanned)
'''1988'''
* 1988/01..11 (nothing scanned)
* 1988/12 (only 22 pages scanned)
'''1989'''
* 1989/01..12 (nothing scanned)
'''1990'''
* 1990/01..12 (nothing scanned)
'''1991'''
* 1991/01..12 (nothing scanned)
'''1992'''
* 1992/01,02,03,04 (nothing scanned)
* 1992/05 (only 17 pages scanned)