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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1959 | 3 |
| 1960 | 6 |
| 1962 | 7 |
| 1963 | 19 |
| 1964 | 30 |
| 1965 | 11 |
| 1966 | 2 |
| 1968 | 3 |
| 1971 | 2 |
| 1973 | 9 |
| 1974 | 11 |
| 1975 | 2 |
| 1976 | 18 |
| 1977 | 16 |
| 1978 | 22 |
| 1979 | 16 |
| 1980 | 12 |
| 1981 | 121 |
| 1982 | 204 |
| 1983 | 251 |
| 1984 | 293 |
| 1985 | 292 |
| 1986 | 319 |
| 1987 | 224 |
| 1988 | 326 |
| 1989 | 344 |
| 1990 | 339 |
| 1991 | 338 |
| 1992 | 373 |
| 1993 | 429 |
| 1994 | 459 |
| 1995 | 510 |
| 1996 | 503 |
| 1997 | 418 |
| 1998 | 556 |
| 1999 | 536 |
| 2000 | 596 |
| 2001 | 547 |
| 2002 | 631 |
| 2003 | 624 |
| 2004 | 763 |
| 2005 | 939 |
| 2006 | 938 |
| 2007 | 1006 |
| 2008 | 1165 |
| 2009 | 1222 |
| 2010 | 1363 |
| 2011 | 1568 |
| 2012 | 1626 |
| 2013 | 1711 |
| 2014 | 1892 |
| 2015 | 1851 |
| 2016 | 1904 |
| 2017 | 1929 |
| 2018 | 1992 |
| 2019 | 2026 |
| 2020 | 2005 |
| 2021 | 1671 |
| 2022 | 1173 |
| 2023 | 1036 |
| 2024 | 1901 |
| 2025 | 1195 |