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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 145 |
| 1972 | 137 |
| 1973 | 130 |
| 1974 | 117 |
| 1975 | 128 |
| 1976 | 163 |
| 1977 | 146 |
| 1978 | 117 |
| 1979 | 132 |
| 1980 | 140 |
| 1981 | 120 |
| 1982 | 107 |
| 1983 | 100 |
| 1984 | 92 |
| 1985 | 90 |
| 1986 | 118 |
| 1987 | 194 |
| 1988 | 151 |
| 1989 | 115 |
| 1990 | 127 |
| 1991 | 137 |
| 1992 | 135 |
| 1993 | 140 |
| 1994 | 126 |
| 1995 | 131 |
| 1996 | 124 |
| 1997 | 99 |
| 1998 | 113 |
| 1999 | 107 |
| 2026 | 0 |