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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 3 |
| 1964 | 1 |
| 1965 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 2 |
| 1976 | 3 |
| 1977 | 4 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 9 |
| 1982 | 1 |
| 1983 | 6 |
| 1984 | 9 |
| 1985 | 6 |
| 1986 | 18 |
| 1987 | 16 |
| 1988 | 27 |
| 1989 | 20 |
| 1990 | 14 |
| 1991 | 25 |
| 1992 | 30 |
| 1993 | 34 |
| 1994 | 38 |
| 1995 | 30 |
| 1996 | 41 |
| 1997 | 41 |
| 1998 | 50 |
| 1999 | 65 |
| 2000 | 63 |
| 2001 | 79 |
| 2002 | 91 |
| 2003 | 115 |
| 2004 | 143 |
| 2005 | 184 |
| 2006 | 155 |
| 2007 | 185 |
| 2008 | 195 |
| 2009 | 232 |
| 2010 | 287 |
| 2011 | 313 |
| 2012 | 306 |
| 2013 | 297 |
| 2014 | 363 |
| 2015 | 313 |
| 2016 | 351 |
| 2017 | 329 |
| 2018 | 295 |
| 2019 | 294 |
| 2020 | 324 |
| 2021 | 383 |
| 2022 | 358 |
| 2023 | 332 |
| 2024 | 273 |
| 2025 | 124 |