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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1957 | 1 |
| 1960 | 1 |
| 1963 | 1 |
| 1964 | 32 |
| 1965 | 28 |
| 1966 | 108 |
| 1967 | 197 |
| 1968 | 229 |
| 1969 | 215 |
| 1970 | 230 |
| 1971 | 258 |
| 1972 | 244 |
| 1973 | 243 |
| 1974 | 217 |
| 1975 | 193 |
| 1976 | 240 |
| 1977 | 263 |
| 1978 | 268 |
| 1979 | 284 |
| 1980 | 291 |
| 1981 | 283 |
| 1982 | 303 |
| 1983 | 295 |
| 1984 | 322 |
| 1985 | 338 |
| 1986 | 330 |
| 1987 | 330 |
| 1988 | 317 |
| 1989 | 343 |
| 1990 | 440 |
| 1991 | 377 |
| 1992 | 380 |
| 1993 | 390 |
| 1994 | 378 |
| 1995 | 349 |
| 1996 | 374 |
| 1997 | 357 |
| 1998 | 398 |
| 1999 | 413 |
| 2000 | 467 |
| 2001 | 417 |
| 2002 | 430 |
| 2003 | 471 |
| 2004 | 496 |
| 2005 | 509 |
| 2006 | 529 |
| 2007 | 554 |
| 2008 | 581 |
| 2009 | 569 |
| 2010 | 621 |
| 2011 | 632 |
| 2012 | 589 |
| 2013 | 572 |
| 2014 | 569 |
| 2015 | 551 |
| 2016 | 464 |
| 2017 | 444 |
| 2018 | 441 |
| 2019 | 476 |
| 2020 | 624 |
| 2021 | 806 |
| 2022 | 1082 |
| 2023 | 857 |
| 2024 | 227 |