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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1957 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 5 |
| 1963 | 2 |
| 1965 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 7 |
| 1982 | 12 |
| 1983 | 5 |
| 1984 | 11 |
| 1985 | 16 |
| 1986 | 6 |
| 1987 | 13 |
| 1988 | 16 |
| 1989 | 15 |
| 1990 | 6 |
| 1991 | 14 |
| 1992 | 20 |
| 1993 | 10 |
| 1994 | 28 |
| 1995 | 24 |
| 1996 | 18 |
| 1997 | 30 |
| 1998 | 24 |
| 1999 | 25 |
| 2000 | 34 |
| 2001 | 38 |
| 2002 | 44 |
| 2003 | 60 |
| 2004 | 74 |
| 2005 | 110 |
| 2006 | 101 |
| 2007 | 104 |
| 2008 | 125 |
| 2009 | 140 |
| 2010 | 169 |
| 2011 | 236 |
| 2012 | 228 |
| 2013 | 235 |
| 2014 | 256 |
| 2015 | 277 |
| 2016 | 295 |
| 2017 | 283 |
| 2018 | 324 |
| 2019 | 347 |
| 2020 | 369 |
| 2021 | 366 |
| 2022 | 396 |
| 2023 | 345 |
| 2024 | 320 |
| 2025 | 180 |