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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 7 |
| 1962 | 8 |
| 1963 | 10 |
| 1964 | 3 |
| 1965 | 11 |
| 1966 | 8 |
| 1967 | 21 |
| 1968 | 8 |
| 1969 | 10 |
| 1970 | 18 |
| 1971 | 14 |
| 1972 | 10 |
| 1973 | 14 |
| 1974 | 14 |
| 1975 | 14 |
| 1976 | 15 |
| 1977 | 22 |
| 1978 | 25 |
| 1979 | 21 |
| 1980 | 24 |
| 1981 | 36 |
| 1982 | 27 |
| 1983 | 31 |
| 1984 | 40 |
| 1985 | 47 |
| 1986 | 60 |
| 1987 | 52 |
| 1988 | 67 |
| 1989 | 49 |
| 1990 | 52 |
| 1991 | 56 |
| 1992 | 71 |
| 1993 | 71 |
| 1994 | 77 |
| 1995 | 86 |
| 1996 | 102 |
| 1997 | 100 |
| 1998 | 133 |
| 1999 | 126 |
| 2000 | 117 |
| 2001 | 151 |
| 2002 | 141 |
| 2003 | 142 |
| 2004 | 122 |
| 2005 | 142 |
| 2006 | 160 |
| 2007 | 172 |
| 2008 | 174 |
| 2009 | 163 |
| 2010 | 169 |
| 2011 | 169 |
| 2012 | 171 |
| 2013 | 182 |
| 2014 | 147 |
| 2015 | 170 |
| 2016 | 191 |
| 2017 | 203 |
| 2018 | 174 |
| 2019 | 151 |
| 2020 | 189 |
| 2021 | 201 |
| 2022 | 186 |
| 2023 | 180 |
| 2024 | 197 |
| 2025 | 85 |