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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 2 |
| 1955 | 1 |
| 1957 | 2 |
| 1958 | 3 |
| 1962 | 6 |
| 1963 | 12 |
| 1964 | 15 |
| 1965 | 21 |
| 1966 | 16 |
| 1967 | 24 |
| 1968 | 36 |
| 1969 | 32 |
| 1970 | 37 |
| 1971 | 39 |
| 1972 | 27 |
| 1973 | 20 |
| 1974 | 38 |
| 1975 | 23 |
| 1976 | 34 |
| 1977 | 45 |
| 1978 | 36 |
| 1979 | 41 |
| 1980 | 31 |
| 1981 | 29 |
| 1982 | 55 |
| 1983 | 54 |
| 1984 | 30 |
| 1985 | 41 |
| 1986 | 46 |
| 1987 | 60 |
| 1988 | 61 |
| 1989 | 78 |
| 1990 | 81 |
| 1991 | 70 |
| 1992 | 88 |
| 1993 | 79 |
| 1994 | 76 |
| 1995 | 97 |
| 1996 | 110 |
| 1997 | 105 |
| 1998 | 120 |
| 1999 | 99 |
| 2000 | 109 |
| 2001 | 115 |
| 2002 | 134 |
| 2003 | 131 |
| 2004 | 137 |
| 2005 | 147 |
| 2006 | 155 |
| 2007 | 132 |
| 2008 | 138 |
| 2009 | 146 |
| 2010 | 141 |
| 2011 | 161 |
| 2012 | 180 |
| 2013 | 167 |
| 2014 | 219 |
| 2015 | 203 |
| 2016 | 213 |
| 2017 | 204 |
| 2018 | 232 |
| 2019 | 225 |
| 2020 | 259 |
| 2021 | 298 |
| 2022 | 273 |
| 2023 | 252 |
| 2024 | 299 |
| 2025 | 23 |