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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1960 | 2 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 5 |
| 1969 | 2 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 6 |
| 1977 | 9 |
| 1978 | 12 |
| 1979 | 7 |
| 1980 | 6 |
| 1981 | 8 |
| 1982 | 8 |
| 1983 | 11 |
| 1984 | 6 |
| 1985 | 17 |
| 1986 | 17 |
| 1987 | 13 |
| 1988 | 12 |
| 1989 | 28 |
| 1990 | 27 |
| 1991 | 34 |
| 1992 | 26 |
| 1993 | 48 |
| 1994 | 59 |
| 1995 | 89 |
| 1996 | 86 |
| 1997 | 82 |
| 1998 | 80 |
| 1999 | 82 |
| 2000 | 82 |
| 2001 | 70 |
| 2002 | 89 |
| 2003 | 96 |
| 2004 | 100 |
| 2005 | 116 |
| 2006 | 154 |
| 2007 | 191 |
| 2008 | 195 |
| 2009 | 220 |
| 2010 | 259 |
| 2011 | 348 |
| 2012 | 380 |
| 2013 | 439 |
| 2014 | 503 |
| 2015 | 551 |
| 2016 | 574 |
| 2017 | 617 |
| 2018 | 749 |
| 2019 | 847 |
| 2020 | 963 |
| 2021 | 1215 |
| 2022 | 1200 |
| 2023 | 1154 |
| 2024 | 395 |