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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 11 |
| 1961 | 73 |
| 1962 | 106 |
| 1963 | 116 |
| 1964 | 217 |
| 1965 | 283 |
| 1966 | 365 |
| 1967 | 303 |
| 1968 | 413 |
| 1969 | 370 |
| 1970 | 389 |
| 1971 | 394 |
| 1972 | 471 |
| 1973 | 455 |
| 1974 | 478 |
| 1975 | 432 |
| 1976 | 432 |
| 1977 | 412 |
| 1978 | 343 |
| 1979 | 400 |
| 1980 | 311 |
| 1981 | 402 |
| 1982 | 397 |
| 1983 | 426 |
| 1984 | 409 |
| 1985 | 372 |
| 1986 | 386 |
| 1987 | 454 |
| 1988 | 461 |
| 1989 | 435 |
| 1990 | 467 |
| 1991 | 513 |
| 1992 | 644 |
| 1993 | 653 |
| 1994 | 819 |
| 1995 | 663 |
| 1996 | 695 |
| 1997 | 719 |
| 1998 | 835 |
| 1999 | 1017 |
| 2000 | 901 |
| 2001 | 912 |
| 2002 | 850 |
| 2003 | 898 |
| 2004 | 1068 |
| 2005 | 1130 |
| 2006 | 1293 |
| 2007 | 1359 |
| 2008 | 1254 |
| 2009 | 1087 |
| 2010 | 923 |
| 2011 | 841 |
| 2012 | 536 |
| 2013 | 503 |
| 2014 | 414 |
| 2015 | 391 |
| 2016 | 442 |
| 2017 | 345 |
| 2018 | 430 |
| 2019 | 475 |
| 2020 | 503 |
| 2021 | 497 |
| 2022 | 430 |
| 2023 | 352 |
| 2024 | 182 |