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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1968 | 1 |
| 1971 | 1 |
| 1973 | 2 |
| 1974 | 31 |
| 1975 | 48 |
| 1976 | 65 |
| 1977 | 45 |
| 1978 | 38 |
| 1979 | 45 |
| 1980 | 51 |
| 1981 | 32 |
| 1982 | 47 |
| 1983 | 43 |
| 1984 | 52 |
| 1985 | 26 |
| 1986 | 36 |
| 1987 | 30 |
| 1988 | 25 |
| 1989 | 26 |
| 1990 | 28 |
| 1991 | 36 |
| 1992 | 21 |
| 1993 | 29 |
| 1994 | 31 |
| 1995 | 29 |
| 1996 | 35 |
| 1997 | 22 |
| 1998 | 34 |
| 1999 | 47 |
| 2000 | 38 |
| 2001 | 59 |
| 2002 | 67 |
| 2003 | 48 |
| 2004 | 91 |
| 2005 | 98 |
| 2006 | 156 |
| 2007 | 162 |
| 2008 | 183 |
| 2009 | 266 |
| 2010 | 233 |
| 2011 | 275 |
| 2012 | 325 |
| 2013 | 351 |
| 2014 | 339 |
| 2015 | 419 |
| 2016 | 335 |
| 2017 | 323 |
| 2018 | 377 |
| 2019 | 380 |
| 2020 | 400 |
| 2021 | 448 |
| 2022 | 87 |
| 2023 | 19 |
| 2024 | 75 |
| 2025 | 2 |