| Periodical Volume Date: 1967 | Periodical Volume Number: 47 | (1/484) |
| Periodical Volume Date: 1968 | Periodical Volume Number: 48 | (1/454) |
| Periodical Volume Date: 1969 | Periodical Volume Number: 49 | (1/414) |
| Periodical Volume Date: 1970 | Periodical Volume Number: 50 | (1/444) |
| Periodical Volume Date: 1971 | Periodical Volume Number: 51 | (1/440) |
| Periodical Volume Date: 1972 | Periodical Volume Number: 52 | (1/448) |
| Periodical Volume Date: 1973 | Periodical Volume Number: 53 | (1/432) |
| Periodical Volume Date: 1974 | Periodical Volume Number: 54 | (1/432) |
| Periodical Volume Date: 1975 | Periodical Volume Number: 55 | (1/432) |
| Periodical Volume Date: 1976 | Periodical Volume Number: 56 | (1/432) |
| Periodical Volume Date: 1977 | Periodical Volume Number: 57 | (1/432) |
| Periodical Volume Date: 1978 | Periodical Volume Number: 58 | (1/432) |
| Periodical Volume Date: 1979 | Periodical Volume Number: 59 | (1/422) |
| Periodical Volume Date: 1980 | Periodical Volume Number: 60 | (1/428) |
| Periodical Volume Date: 1981 | Periodical Volume Number: 61 | (1/412) |
| Periodical Volume Date: 1982 | Periodical Volume Number: 62 | (1/420) |
| Periodical Volume Date: 1983 | Periodical Volume Number: 63 | (1/412) |
| Periodical Volume Date: 1984 | Periodical Volume Number: 64 | (1/412) |
| Periodical Volume Date: 1985 | Periodical Volume Number: 65 | (1/412) |
| Periodical Volume Date: 1986 | Periodical Volume Number: 66 | (1/412) |
| Periodical Volume Date: 1987 | Periodical Volume Number: 67 | (1/428) |
| Periodical Volume Date: 1988 | Periodical Volume Number: 68 | (1/432) |
| Periodical Volume Date: 1989 | Periodical Volume Number: 69 | (1/436) |
| Periodical Volume Date: 1990 | Periodical Volume Number: 70 | (1/420) |
| Periodical Volume Date: 1991 | Periodical Volume Number: 71 | (1/514) |
| Periodical Volume Date: 1992 | Periodical Volume Number: 72 | (1/436) |
| Periodical Volume Date: 1993 | Periodical Volume Number: 73 | (1/436) |
| Periodical Volume Date: 1994 | Periodical Volume Number: 74 | (1/406) |
| Periodical Volume Date: 1995 | Periodical Volume Number: 75 | (1/335) |
| Periodical Volume Date: 1996 | Periodical Volume Number: 76 | (1/344) |
| Periodical Volume Date: 1997 | Periodical Volume Number: 77 | (1/300) |
| Periodical Volume Date: 1998 | Periodical Volume Number: 78 | (1/280) |
| Periodical Volume Date: 1999 | Periodical Volume Number: 79 | (1/276) |
| Periodical Volume Date: 2000 | Periodical Volume Number: 80 | (1/308) |
| Periodical Volume Date: 2001 | Periodical Volume Number: 81 | (1/312) |
| Periodical Volume Date: 2002 | Periodical Volume Number: 82 | (1/306) |
