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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1957 | 3 |
| 1958 | 6 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 1 |
| 1966 | 12 |
| 1967 | 14 |
| 1968 | 45 |
| 1969 | 69 |
| 1970 | 58 |
| 1971 | 65 |
| 1972 | 75 |
| 1973 | 89 |
| 1974 | 83 |
| 1975 | 69 |
| 1976 | 43 |
| 1977 | 69 |
| 1978 | 59 |
| 1979 | 74 |
| 1980 | 55 |
| 1981 | 44 |
| 1982 | 59 |
| 1983 | 75 |
| 1984 | 62 |
| 1985 | 75 |
| 1986 | 96 |
| 1987 | 69 |
| 1988 | 88 |
| 1989 | 105 |
| 1990 | 111 |
| 1991 | 118 |
| 1992 | 147 |
| 1993 | 175 |
| 1994 | 252 |
| 1995 | 207 |
| 1996 | 167 |
| 1997 | 175 |
| 1998 | 175 |
| 1999 | 164 |
| 2000 | 204 |
| 2001 | 219 |
| 2002 | 168 |
| 2003 | 205 |
| 2004 | 201 |
| 2005 | 258 |
| 2006 | 299 |
| 2007 | 290 |
| 2008 | 313 |
| 2009 | 402 |
| 2010 | 355 |
| 2011 | 312 |
| 2012 | 349 |
| 2013 | 381 |
| 2014 | 446 |
| 2015 | 470 |
| 2016 | 521 |
| 2017 | 502 |
| 2018 | 558 |
| 2019 | 620 |
| 2020 | 643 |
| 2021 | 692 |
| 2022 | 677 |
| 2023 | 456 |
| 2024 | 472 |
| 2025 | 1 |