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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 10 |
| 1956 | 31 |
| 1957 | 31 |
| 1958 | 22 |
| 1959 | 29 |
| 1960 | 29 |
| 1961 | 22 |
| 1962 | 26 |
| 1963 | 33 |
| 1964 | 43 |
| 1965 | 36 |
| 1966 | 21 |
| 1967 | 29 |
| 1968 | 40 |
| 1969 | 46 |
| 1970 | 52 |
| 1971 | 48 |
| 1972 | 65 |
| 1973 | 68 |
| 1974 | 73 |
| 1975 | 52 |
| 1976 | 47 |
| 1977 | 74 |
| 1978 | 70 |
| 1979 | 66 |
| 1980 | 75 |
| 1981 | 69 |
| 1982 | 95 |
| 1983 | 112 |
| 1984 | 122 |
| 1985 | 125 |
| 1986 | 120 |
| 1987 | 160 |
| 1988 | 110 |
| 1989 | 116 |
| 1990 | 137 |
| 1991 | 152 |
| 1992 | 152 |
| 1993 | 112 |
| 1994 | 113 |
| 1995 | 110 |
| 1996 | 128 |
| 1997 | 131 |
| 1998 | 155 |
| 1999 | 107 |
| 2000 | 98 |
| 2001 | 94 |
| 2002 | 69 |
| 2024 | 0 |