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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 19 |
| 1952 | 33 |
| 1953 | 31 |
| 1954 | 30 |
| 1955 | 25 |
| 1956 | 17 |
| 1957 | 18 |
| 1958 | 18 |
| 1959 | 10 |
| 1964 | 1 |
| 1965 | 36 |
| 1966 | 62 |
| 1967 | 96 |
| 1968 | 115 |
| 1969 | 100 |
| 1970 | 118 |
| 1971 | 125 |
| 1972 | 120 |
| 1973 | 135 |
| 1974 | 130 |
| 1975 | 100 |
| 1976 | 97 |
| 1977 | 97 |
| 1978 | 94 |
| 1979 | 105 |
| 1980 | 127 |
| 1981 | 97 |
| 1982 | 108 |
| 1983 | 106 |
| 1984 | 116 |
| 1985 | 152 |
| 1986 | 122 |
| 1987 | 96 |
| 1988 | 142 |
| 1989 | 127 |
| 1990 | 132 |
| 1991 | 127 |
| 1992 | 127 |
| 1993 | 133 |
| 1994 | 165 |
| 1995 | 128 |
| 1996 | 144 |
| 1997 | 135 |
| 1998 | 142 |
| 1999 | 152 |
| 2000 | 158 |
| 2001 | 156 |
| 2002 | 152 |
| 2003 | 152 |
| 2004 | 156 |
| 2005 | 197 |
| 2006 | 177 |
| 2007 | 162 |
| 2008 | 165 |
| 2009 | 157 |
| 2010 | 147 |
| 2011 | 180 |
| 2012 | 179 |
| 2013 | 181 |
| 2014 | 180 |
| 2015 | 198 |
| 2016 | 191 |
| 2017 | 157 |
| 2018 | 132 |
| 2019 | 134 |
| 2020 | 115 |
| 2021 | 94 |
| 2022 | 126 |
| 2023 | 109 |
| 2024 | 83 |
| 2025 | 93 |
| 2026 | 57 |