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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 1 |
| 1952 | 2 |
| 1964 | 1 |
| 1965 | 30 |
| 1966 | 70 |
| 1967 | 122 |
| 1968 | 164 |
| 1969 | 194 |
| 1970 | 200 |
| 1971 | 203 |
| 1972 | 270 |
| 1973 | 331 |
| 1974 | 289 |
| 1975 | 241 |
| 1976 | 237 |
| 1977 | 219 |
| 1978 | 215 |
| 1979 | 236 |
| 1980 | 167 |
| 1981 | 169 |
| 1982 | 224 |
| 1983 | 197 |
| 1984 | 238 |
| 1985 | 248 |
| 1986 | 236 |
| 1987 | 269 |
| 1988 | 267 |
| 1989 | 289 |
| 1990 | 272 |
| 1991 | 262 |
| 1992 | 286 |
| 1993 | 288 |
| 1994 | 324 |
| 1995 | 301 |
| 1996 | 345 |
| 1997 | 324 |
| 1998 | 340 |
| 1999 | 318 |
| 2000 | 327 |
| 2001 | 296 |
| 2002 | 327 |
| 2003 | 341 |
| 2004 | 363 |
| 2005 | 358 |
| 2006 | 394 |
| 2007 | 447 |
| 2008 | 424 |
| 2009 | 409 |
| 2010 | 436 |
| 2011 | 520 |
| 2012 | 519 |
| 2013 | 465 |
| 2014 | 505 |
| 2015 | 489 |
| 2016 | 478 |
| 2017 | 456 |
| 2018 | 497 |
| 2019 | 487 |
| 2020 | 469 |
| 2021 | 362 |
| 2022 | 202 |
| 2023 | 207 |
| 2024 | 55 |