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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 81 |
| 1954 | 89 |
| 1955 | 100 |
| 1956 | 120 |
| 1957 | 122 |
| 1958 | 117 |
| 1959 | 140 |
| 1960 | 139 |
| 1961 | 146 |
| 1962 | 221 |
| 1963 | 113 |
| 1964 | 165 |
| 1965 | 111 |
| 1966 | 151 |
| 1967 | 175 |
| 1968 | 140 |
| 1969 | 163 |
| 1970 | 209 |
| 1971 | 169 |
| 1972 | 177 |
| 1973 | 186 |
| 1974 | 213 |
| 1975 | 216 |
| 1976 | 247 |
| 1977 | 244 |
| 1978 | 227 |
| 1979 | 204 |
| 1980 | 249 |
| 1981 | 275 |
| 1982 | 185 |
| 1983 | 192 |
| 1984 | 167 |
| 1985 | 191 |
| 1986 | 168 |
| 1987 | 255 |
| 1988 | 247 |
| 1989 | 298 |
| 1990 | 337 |
| 1991 | 347 |
| 1992 | 297 |
| 1993 | 264 |
| 1994 | 260 |
| 1995 | 275 |
| 1996 | 264 |
| 1997 | 233 |
| 1998 | 299 |
| 1999 | 339 |
| 2000 | 429 |
| 2001 | 417 |
| 2002 | 401 |
| 2003 | 452 |
| 2004 | 436 |
| 2005 | 413 |
| 2006 | 464 |
| 2007 | 462 |
| 2008 | 471 |
| 2009 | 396 |
| 2010 | 417 |
| 2011 | 365 |
| 2012 | 432 |
| 2013 | 419 |
| 2014 | 403 |
| 2015 | 411 |
| 2016 | 416 |
| 2017 | 477 |
| 2018 | 388 |
| 2019 | 404 |
| 2020 | 378 |
| 2021 | 302 |
| 2022 | 265 |
| 2023 | 251 |
| 2024 | 259 |
| 2025 | 158 |