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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1975 | 10 |
| 1976 | 4 |
| 1977 | 4 |
| 1978 | 6 |
| 1979 | 7 |
| 1980 | 7 |
| 1981 | 7 |
| 1982 | 9 |
| 1983 | 19 |
| 1984 | 16 |
| 1985 | 13 |
| 1986 | 26 |
| 1987 | 21 |
| 1988 | 34 |
| 1989 | 49 |
| 1990 | 35 |
| 1991 | 37 |
| 1992 | 34 |
| 1993 | 37 |
| 1994 | 36 |
| 1995 | 66 |
| 1996 | 47 |
| 1997 | 65 |
| 1998 | 88 |
| 1999 | 62 |
| 2000 | 82 |
| 2001 | 59 |
| 2002 | 87 |
| 2003 | 120 |
| 2004 | 102 |
| 2005 | 132 |
| 2006 | 130 |
| 2007 | 184 |
| 2008 | 198 |
| 2009 | 204 |
| 2010 | 237 |
| 2011 | 257 |
| 2012 | 266 |
| 2013 | 242 |
| 2014 | 278 |
| 2015 | 294 |
| 2016 | 242 |
| 2017 | 268 |
| 2018 | 307 |
| 2019 | 295 |
| 2020 | 207 |
| 2021 | 52 |
| 2022 | 7 |
| 2023 | 14 |
| 2024 | 305 |
| 2025 | 172 |