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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 5 |
| 1956 | 121 |
| 1957 | 132 |
| 1958 | 28 |
| 1959 | 12 |
| 1964 | 4 |
| 1965 | 102 |
| 1966 | 146 |
| 1967 | 251 |
| 1968 | 256 |
| 1969 | 255 |
| 1970 | 314 |
| 1971 | 231 |
| 1972 | 267 |
| 1973 | 291 |
| 1974 | 285 |
| 1975 | 170 |
| 1976 | 200 |
| 1977 | 157 |
| 1978 | 158 |
| 1979 | 156 |
| 1980 | 157 |
| 1981 | 138 |
| 1982 | 120 |
| 1983 | 126 |
| 1984 | 114 |
| 1985 | 140 |
| 1986 | 127 |
| 1987 | 86 |
| 1988 | 79 |
| 1989 | 116 |
| 1990 | 117 |
| 1991 | 109 |
| 1992 | 105 |
| 1993 | 130 |
| 1994 | 105 |
| 1995 | 114 |
| 1996 | 142 |
| 1997 | 118 |
| 1998 | 142 |
| 1999 | 123 |
| 2000 | 124 |
| 2001 | 106 |
| 2002 | 132 |
| 2003 | 128 |
| 2004 | 129 |
| 2005 | 113 |
| 2006 | 111 |
| 2007 | 138 |
| 2008 | 144 |
| 2009 | 147 |
| 2010 | 178 |
| 2011 | 195 |
| 2012 | 207 |
| 2013 | 207 |
| 2014 | 228 |
| 2015 | 230 |
| 2016 | 215 |
| 2017 | 206 |
| 2018 | 188 |
| 2019 | 189 |
| 2020 | 215 |
| 2021 | 173 |
| 2022 | 153 |
| 2023 | 123 |
| 2024 | 141 |
| 2025 | 34 |