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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1958 | 1 |
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 5 |
| 1965 | 5 |
| 1966 | 6 |
| 1967 | 4 |
| 1968 | 6 |
| 1969 | 8 |
| 1970 | 15 |
| 1971 | 18 |
| 1972 | 9 |
| 1973 | 16 |
| 1974 | 14 |
| 1975 | 5 |
| 1976 | 9 |
| 1977 | 5 |
| 1978 | 8 |
| 1979 | 17 |
| 1980 | 20 |
| 1981 | 26 |
| 1982 | 19 |
| 1983 | 35 |
| 1984 | 32 |
| 1985 | 19 |
| 1986 | 33 |
| 1987 | 25 |
| 1988 | 37 |
| 1989 | 63 |
| 1990 | 45 |
| 1991 | 49 |
| 1992 | 40 |
| 1993 | 41 |
| 1994 | 58 |
| 1995 | 47 |
| 1996 | 63 |
| 1997 | 55 |
| 1998 | 58 |
| 1999 | 76 |
| 2000 | 69 |
| 2001 | 87 |
| 2002 | 93 |
| 2003 | 91 |
| 2004 | 94 |
| 2005 | 94 |
| 2006 | 93 |
| 2007 | 114 |
| 2008 | 117 |
| 2009 | 117 |
| 2010 | 138 |
| 2011 | 139 |
| 2012 | 163 |
| 2013 | 169 |
| 2014 | 180 |
| 2015 | 177 |
| 2016 | 223 |
| 2017 | 230 |
| 2018 | 234 |
| 2019 | 250 |
| 2020 | 231 |
| 2021 | 265 |
| 2022 | 225 |
| 2023 | 216 |
| 2024 | 235 |
| 2025 | 238 |
| 2026 | 25 |