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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 2 |
| 1951 | 2 |
| 1953 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 49 |
| 1964 | 14 |
| 1965 | 10 |
| 1967 | 2 |
| 1968 | 5 |
| 1969 | 17 |
| 1970 | 65 |
| 1971 | 143 |
| 1972 | 162 |
| 1973 | 166 |
| 1974 | 166 |
| 1975 | 186 |
| 1976 | 179 |
| 1977 | 176 |
| 1978 | 188 |
| 1979 | 198 |
| 1980 | 215 |
| 1981 | 160 |
| 1982 | 163 |
| 1983 | 131 |
| 1984 | 130 |
| 1985 | 141 |
| 1986 | 133 |
| 1987 | 123 |
| 1988 | 154 |
| 1989 | 154 |
| 1990 | 171 |
| 1991 | 172 |
| 1992 | 176 |
| 1993 | 184 |
| 1994 | 167 |
| 1995 | 170 |
| 1996 | 214 |
| 1997 | 146 |
| 1998 | 185 |
| 1999 | 180 |
| 2000 | 186 |
| 2001 | 227 |
| 2002 | 216 |
| 2003 | 244 |
| 2004 | 226 |
| 2005 | 302 |
| 2006 | 309 |
| 2007 | 322 |
| 2008 | 324 |
| 2009 | 310 |
| 2010 | 322 |
| 2011 | 313 |
| 2012 | 309 |
| 2013 | 270 |
| 2014 | 285 |
| 2015 | 262 |
| 2016 | 241 |
| 2017 | 221 |
| 2018 | 220 |
| 2019 | 189 |
| 2020 | 168 |
| 2021 | 141 |
| 2022 | 152 |
| 2023 | 142 |
| 2024 | 68 |