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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1949 | 1 |
| 1951 | 2 |
| 1952 | 2 |
| 1955 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 4 |
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 5 |
| 1965 | 2 |
| 1971 | 2 |
| 1973 | 1 |
| 1974 | 11 |
| 1975 | 107 |
| 1976 | 131 |
| 1977 | 108 |
| 1978 | 140 |
| 1979 | 152 |
| 1980 | 158 |
| 1981 | 186 |
| 1982 | 158 |
| 1983 | 225 |
| 1984 | 236 |
| 1985 | 240 |
| 1986 | 258 |
| 1987 | 226 |
| 1988 | 251 |
| 1989 | 244 |
| 1990 | 261 |
| 1991 | 279 |
| 1992 | 213 |
| 1993 | 199 |
| 1994 | 197 |
| 1995 | 215 |
| 1996 | 199 |
| 1997 | 162 |
| 1998 | 165 |
| 1999 | 160 |
| 2000 | 143 |
| 2001 | 159 |
| 2002 | 151 |
| 2003 | 143 |
| 2004 | 151 |
| 2005 | 168 |
| 2006 | 179 |
| 2007 | 162 |
| 2008 | 184 |
| 2009 | 158 |
| 2010 | 189 |
| 2011 | 194 |
| 2012 | 205 |
| 2013 | 205 |
| 2014 | 216 |
| 2015 | 192 |
| 2016 | 153 |
| 2017 | 143 |
| 2018 | 141 |
| 2019 | 149 |
| 2020 | 128 |
| 2021 | 107 |
| 2022 | 93 |
| 2023 | 77 |
| 2024 | 61 |