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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 2 |
| 1962 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 4 |
| 1974 | 4 |
| 1975 | 6 |
| 1976 | 4 |
| 1977 | 3 |
| 1978 | 5 |
| 1979 | 6 |
| 1980 | 4 |
| 1981 | 4 |
| 1982 | 5 |
| 1983 | 9 |
| 1984 | 8 |
| 1985 | 10 |
| 1986 | 6 |
| 1987 | 21 |
| 1988 | 47 |
| 1989 | 72 |
| 1990 | 70 |
| 1991 | 60 |
| 1992 | 72 |
| 1993 | 71 |
| 1994 | 70 |
| 1995 | 74 |
| 1996 | 81 |
| 1997 | 73 |
| 1998 | 86 |
| 1999 | 98 |
| 2000 | 103 |
| 2001 | 94 |
| 2002 | 119 |
| 2003 | 119 |
| 2004 | 121 |
| 2005 | 132 |
| 2006 | 173 |
| 2007 | 146 |
| 2008 | 176 |
| 2009 | 173 |
| 2010 | 178 |
| 2011 | 177 |
| 2012 | 196 |
| 2013 | 200 |
| 2014 | 222 |
| 2015 | 266 |
| 2016 | 303 |
| 2017 | 301 |
| 2018 | 363 |
| 2019 | 315 |
| 2020 | 353 |
| 2021 | 417 |
| 2022 | 422 |
| 2023 | 369 |
| 2024 | 159 |