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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 8 |
| 1964 | 7 |
| 1965 | 11 |
| 1966 | 10 |
| 1967 | 28 |
| 1968 | 17 |
| 1969 | 27 |
| 1970 | 15 |
| 1971 | 13 |
| 1972 | 11 |
| 1973 | 10 |
| 1974 | 10 |
| 1975 | 16 |
| 1976 | 16 |
| 1977 | 25 |
| 1978 | 21 |
| 1979 | 25 |
| 1980 | 30 |
| 1981 | 43 |
| 1982 | 41 |
| 1983 | 43 |
| 1984 | 94 |
| 1985 | 71 |
| 1986 | 63 |
| 1987 | 73 |
| 1988 | 76 |
| 1989 | 117 |
| 1990 | 92 |
| 1991 | 99 |
| 1992 | 126 |
| 1993 | 109 |
| 1994 | 87 |
| 1995 | 99 |
| 1996 | 123 |
| 1997 | 118 |
| 1998 | 124 |
| 1999 | 142 |
| 2000 | 125 |
| 2001 | 146 |
| 2002 | 162 |
| 2003 | 132 |
| 2004 | 177 |
| 2005 | 171 |
| 2006 | 171 |
| 2007 | 159 |
| 2008 | 179 |
| 2009 | 165 |
| 2010 | 170 |
| 2011 | 169 |
| 2012 | 202 |
| 2013 | 172 |
| 2014 | 188 |
| 2015 | 194 |
| 2016 | 176 |
| 2017 | 178 |
| 2018 | 166 |
| 2019 | 171 |
| 2020 | 181 |
| 2021 | 195 |
| 2022 | 182 |
| 2023 | 168 |
| 2024 | 134 |
| 2025 | 2 |