| Option ID | Year | Notes |
| 21 | 1996 | NULL |
| 22 | 1995 | NULL |
| 23 | 1994 | NULL |
| 24 | 1993 | NULL |
| 25 | 1992 | NULL |
| 26 | 1991 | NULL |
| 27 | 1990 | NULL |
| 28 | 1989 | NULL |
| 29 | 1988 | NULL |
| 30 | 1987 | NULL |
| 31 | 1986 | NULL |
| 32 | 1985 | NULL |
| 33 | 1984 | NULL |
| 34 | 1983 | NULL |
| 35 | 1982 | NULL |
| 36 | 1981 | NULL |
| 37 | 1980 | NULL |
| 38 | 1979 | NULL |
| 39 | 1978 | NULL |
| 40 | 1977 | NULL |