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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 2 |
| 1963 | 1 |
| 1969 | 3 |
| 1970 | 3 |
| 1971 | 3 |
| 1972 | 3 |
| 1973 | 2 |
| 1976 | 9 |
| 1977 | 9 |
| 1978 | 6 |
| 1979 | 15 |
| 1980 | 11 |
| 1981 | 6 |
| 1982 | 14 |
| 1983 | 7 |
| 1984 | 4 |
| 1985 | 9 |
| 1986 | 7 |
| 1987 | 23 |
| 1988 | 29 |
| 1989 | 28 |
| 1990 | 39 |
| 1991 | 33 |
| 1992 | 45 |
| 1993 | 28 |
| 1994 | 30 |
| 1995 | 40 |
| 1996 | 48 |
| 1997 | 42 |
| 1998 | 68 |
| 1999 | 77 |
| 2000 | 79 |
| 2001 | 63 |
| 2002 | 70 |
| 2003 | 78 |
| 2004 | 91 |
| 2005 | 98 |
| 2006 | 115 |
| 2007 | 131 |
| 2008 | 140 |
| 2009 | 163 |
| 2010 | 194 |
| 2011 | 224 |
| 2012 | 225 |
| 2013 | 213 |
| 2014 | 223 |
| 2015 | 224 |
| 2016 | 242 |
| 2017 | 251 |
| 2018 | 225 |
| 2019 | 253 |
| 2020 | 300 |
| 2021 | 333 |
| 2022 | 350 |
| 2023 | 305 |
| 2024 | 268 |
| 2025 | 217 |