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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 2 |
| 1955 | 5 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 1 |
| 1961 | 1 |
| 1962 | 5 |
| 1963 | 5 |
| 1964 | 3 |
| 1965 | 10 |
| 1966 | 7 |
| 1967 | 15 |
| 1968 | 12 |
| 1969 | 11 |
| 1970 | 8 |
| 1971 | 15 |
| 1972 | 16 |
| 1973 | 20 |
| 1974 | 11 |
| 1975 | 10 |
| 1976 | 11 |
| 1977 | 24 |
| 1978 | 25 |
| 1979 | 33 |
| 1980 | 17 |
| 1981 | 29 |
| 1982 | 25 |
| 1983 | 35 |
| 1984 | 41 |
| 1985 | 41 |
| 1986 | 41 |
| 1987 | 52 |
| 1988 | 51 |
| 1989 | 64 |
| 1990 | 64 |
| 1991 | 87 |
| 1992 | 82 |
| 1993 | 106 |
| 1994 | 82 |
| 1995 | 105 |
| 1996 | 100 |
| 1997 | 110 |
| 1998 | 127 |
| 1999 | 119 |
| 2000 | 153 |
| 2001 | 114 |
| 2002 | 146 |
| 2003 | 155 |
| 2004 | 160 |
| 2005 | 159 |
| 2006 | 148 |
| 2007 | 126 |
| 2008 | 115 |
| 2009 | 197 |
| 2010 | 151 |
| 2011 | 143 |
| 2012 | 183 |
| 2013 | 162 |
| 2014 | 177 |
| 2015 | 205 |
| 2016 | 211 |
| 2017 | 187 |
| 2018 | 200 |
| 2019 | 208 |
| 2020 | 202 |
| 2021 | 224 |
| 2022 | 204 |
| 2023 | 186 |
| 2024 | 202 |
| 2025 | 185 |