 |
       |
| Date | Vol | Month |
| 1974 | Apr, July, Oct | |
| 1975 | Complete | |
| 1976 | Complete | |
| 1977 | Complete | |
| 1978 | Complete | |
| 1979 | Feb-Nov | |
| 1980 | Complete | |
| 1981 | Complete | |
| 1982 | Complete | |
| 1983 | Complete | |
| 1984 | Complete | |
| 1985 | Complete | |
| 1986 | Complete | |
| 1987 | Complete | |
| 1988 | Complete | |
| 1989 | Jan-July, Oct-Dec | |
| 1990 | Jan, Mar, May, Sept, Dec | |
| 1991 | Mar, June, Sept, Dec | |
| 1992 | June | |
| 1993 | Dec | |
| 1994 | 6, 12, 18, 24 | Mar, June, Sept, Dec |
| 1995 | 6, 12, 18, 24 | Mar, June, Sept, Dec |
| 1996 | 10 | Sept |
| 1997 | 25 | Mar |
