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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 3 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 5 |
| 1968 | 3 |
| 1969 | 2 |
| 1970 | 6 |
| 1971 | 9 |
| 1972 | 11 |
| 1973 | 2 |
| 1974 | 9 |
| 1975 | 5 |
| 1976 | 7 |
| 1977 | 19 |
| 1978 | 8 |
| 1979 | 12 |
| 1980 | 14 |
| 1981 | 14 |
| 1982 | 17 |
| 1983 | 18 |
| 1984 | 22 |
| 1985 | 22 |
| 1986 | 36 |
| 1987 | 33 |
| 1988 | 36 |
| 1989 | 30 |
| 1990 | 40 |
| 1991 | 34 |
| 1992 | 45 |
| 1993 | 43 |
| 1994 | 36 |
| 1995 | 43 |
| 1996 | 58 |
| 1997 | 52 |
| 1998 | 54 |
| 1999 | 57 |
| 2000 | 79 |
| 2001 | 78 |
| 2002 | 90 |
| 2003 | 142 |
| 2004 | 145 |
| 2005 | 134 |
| 2006 | 174 |
| 2007 | 161 |
| 2008 | 165 |
| 2009 | 170 |
| 2010 | 178 |
| 2011 | 187 |
| 2012 | 247 |
| 2013 | 222 |
| 2014 | 251 |
| 2015 | 301 |
| 2016 | 301 |
| 2017 | 319 |
| 2018 | 339 |
| 2019 | 347 |
| 2020 | 397 |
| 2021 | 475 |
| 2022 | 455 |
| 2023 | 363 |
| 2024 | 168 |