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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 8 |
| 1950 | 2 |
| 1965 | 25 |
| 1966 | 85 |
| 1967 | 77 |
| 1968 | 90 |
| 1969 | 111 |
| 1970 | 73 |
| 1971 | 19 |
| 1975 | 75 |
| 1976 | 179 |
| 1977 | 130 |
| 1978 | 144 |
| 1979 | 153 |
| 1980 | 106 |
| 1981 | 96 |
| 1982 | 106 |
| 1983 | 117 |
| 1984 | 108 |
| 1985 | 117 |
| 1986 | 150 |
| 1987 | 168 |
| 1988 | 159 |
| 1989 | 136 |
| 1990 | 126 |
| 1991 | 120 |
| 1992 | 131 |
| 1993 | 120 |
| 1994 | 112 |
| 1995 | 110 |
| 1996 | 111 |
| 1997 | 107 |
| 1998 | 98 |
| 1999 | 95 |
| 2026 | 0 |