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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1962 | 2 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 2 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 5 |
| 1980 | 5 |
| 1981 | 6 |
| 1982 | 13 |
| 1983 | 10 |
| 1984 | 18 |
| 1985 | 21 |
| 1986 | 20 |
| 1987 | 34 |
| 1988 | 29 |
| 1989 | 22 |
| 1990 | 44 |
| 1991 | 47 |
| 1992 | 50 |
| 1993 | 50 |
| 1994 | 78 |
| 1995 | 70 |
| 1996 | 69 |
| 1997 | 79 |
| 1998 | 105 |
| 1999 | 90 |
| 2000 | 83 |
| 2001 | 120 |
| 2002 | 120 |
| 2003 | 122 |
| 2004 | 132 |
| 2005 | 193 |
| 2006 | 218 |
| 2007 | 249 |
| 2008 | 188 |
| 2009 | 231 |
| 2010 | 271 |
| 2011 | 260 |
| 2012 | 301 |
| 2013 | 298 |
| 2014 | 290 |
| 2015 | 284 |
| 2016 | 244 |
| 2017 | 253 |
| 2018 | 254 |
| 2019 | 231 |
| 2020 | 263 |
| 2021 | 262 |
| 2022 | 248 |
| 2023 | 218 |
| 2024 | 63 |