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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 8 |
| 1955 | 11 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 11 |
| 1960 | 22 |
| 1961 | 32 |
| 1962 | 31 |
| 1964 | 10 |
| 1965 | 46 |
| 1966 | 122 |
| 1967 | 168 |
| 1968 | 159 |
| 1969 | 172 |
| 1970 | 161 |
| 1971 | 154 |
| 1972 | 200 |
| 1973 | 241 |
| 1974 | 265 |
| 1975 | 241 |
| 1976 | 256 |
| 1977 | 249 |
| 1978 | 260 |
| 1979 | 235 |
| 1980 | 216 |
| 1981 | 204 |
| 1982 | 198 |
| 1983 | 236 |
| 1984 | 197 |
| 1985 | 212 |
| 1986 | 193 |
| 1987 | 193 |
| 1988 | 181 |
| 1989 | 191 |
| 1990 | 209 |
| 1991 | 224 |
| 1992 | 194 |
| 1993 | 202 |
| 1994 | 168 |
| 1995 | 198 |
| 1996 | 226 |
| 1997 | 194 |
| 1998 | 210 |
| 1999 | 220 |
| 2000 | 251 |
| 2001 | 236 |
| 2002 | 266 |
| 2003 | 290 |
| 2004 | 236 |
| 2005 | 280 |
| 2006 | 272 |
| 2007 | 280 |
| 2008 | 304 |
| 2009 | 315 |
| 2010 | 305 |
| 2011 | 394 |
| 2012 | 388 |
| 2013 | 374 |
| 2014 | 390 |
| 2015 | 362 |
| 2016 | 351 |
| 2017 | 319 |
| 2018 | 294 |
| 2019 | 295 |
| 2020 | 276 |
| 2021 | 203 |
| 2022 | 174 |
| 2023 | 103 |
| 2024 | 38 |