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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 10 |
| 1957 | 8 |
| 1958 | 8 |
| 1959 | 2 |
| 1962 | 14 |
| 1963 | 16 |
| 1964 | 21 |
| 1965 | 8 |
| 1966 | 27 |
| 1967 | 26 |
| 1968 | 31 |
| 1969 | 30 |
| 1970 | 31 |
| 1971 | 27 |
| 1973 | 40 |
| 1974 | 22 |
| 1975 | 31 |
| 1976 | 34 |
| 1977 | 37 |
| 1978 | 43 |
| 1979 | 52 |
| 1980 | 46 |
| 1981 | 54 |
| 1982 | 55 |
| 1983 | 66 |
| 1984 | 58 |
| 1985 | 57 |
| 1986 | 59 |
| 1987 | 62 |
| 1988 | 65 |
| 1989 | 80 |
| 1990 | 83 |
| 1991 | 85 |
| 1992 | 57 |
| 1993 | 48 |
| 1994 | 46 |
| 1995 | 55 |
| 1996 | 42 |
| 1997 | 54 |
| 1998 | 28 |
| 1999 | 33 |
| 2026 | 0 |