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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 12 |
| 1953 | 14 |
| 1954 | 53 |
| 1955 | 61 |
| 1956 | 94 |
| 1957 | 95 |
| 1958 | 70 |
| 1959 | 50 |
| 1960 | 67 |
| 1961 | 80 |
| 1962 | 106 |
| 1963 | 107 |
| 1964 | 121 |
| 1965 | 188 |
| 1966 | 151 |
| 1967 | 124 |
| 1968 | 182 |
| 1969 | 170 |
| 1970 | 159 |
| 1971 | 179 |
| 1972 | 150 |
| 1973 | 178 |
| 1974 | 179 |
| 1975 | 160 |
| 1976 | 180 |
| 1977 | 138 |
| 1978 | 153 |
| 1979 | 270 |
| 1980 | 165 |
| 1981 | 171 |
| 1982 | 149 |
| 1983 | 118 |
| 1984 | 144 |
| 1985 | 110 |
| 1986 | 151 |
| 1987 | 144 |
| 1988 | 139 |
| 1989 | 88 |
| 1992 | 126 |
| 1993 | 129 |
| 1994 | 138 |
| 1995 | 140 |
| 1996 | 137 |
| 1997 | 117 |
| 1998 | 242 |
| 1999 | 159 |
| 2000 | 276 |
| 2001 | 273 |
| 2002 | 211 |
| 2003 | 259 |
| 2004 | 146 |
| 2005 | 154 |
| 2006 | 137 |
| 2007 | 135 |
| 2008 | 119 |
| 2009 | 140 |
| 2010 | 144 |
| 2011 | 138 |
| 2012 | 156 |
| 2013 | 149 |
| 2014 | 158 |
| 2015 | 153 |
| 2016 | 150 |
| 2017 | 125 |
| 2018 | 121 |
| 2019 | 124 |
| 2020 | 135 |
| 2021 | 198 |
| 2022 | 225 |
| 2023 | 232 |
| 2024 | 146 |
| 2025 | 63 |