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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 22 |
| 1948 | 83 |
| 1950 | 83 |
| 1951 | 145 |
| 1952 | 152 |
| 1953 | 123 |
| 1954 | 130 |
| 1955 | 113 |
| 1956 | 111 |
| 1957 | 108 |
| 1958 | 189 |
| 1959 | 103 |
| 1960 | 154 |
| 1961 | 94 |
| 1962 | 196 |
| 1963 | 95 |
| 1964 | 87 |
| 1965 | 89 |
| 1966 | 203 |
| 1967 | 107 |
| 1968 | 118 |
| 1969 | 110 |
| 1970 | 116 |
| 1971 | 132 |
| 1972 | 151 |
| 1973 | 147 |
| 1974 | 165 |
| 1975 | 123 |
| 1976 | 156 |
| 1977 | 141 |
| 1978 | 157 |
| 1979 | 170 |
| 1980 | 166 |
| 1981 | 170 |
| 1982 | 167 |
| 1983 | 171 |
| 1984 | 165 |
| 1985 | 161 |
| 1986 | 187 |
| 1987 | 178 |
| 1988 | 182 |
| 1989 | 216 |
| 1990 | 191 |
| 1991 | 201 |
| 1992 | 168 |
| 1993 | 162 |
| 1994 | 191 |
| 1995 | 188 |
| 1996 | 156 |
| 2006 | 1 |
| 2011 | 6 |
| 2012 | 76 |
| 2013 | 66 |
| 2014 | 80 |
| 2015 | 79 |
| 2016 | 99 |
| 2017 | 64 |
| 2018 | 73 |
| 2019 | 77 |
| 2020 | 65 |
| 2021 | 69 |
| 2022 | 75 |
| 2023 | 70 |
| 2024 | 72 |
| 2025 | 62 |