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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1964 | 4 |
| 1965 | 1 |
| 1966 | 1 |
| 1970 | 3 |
| 1976 | 2 |
| 1977 | 1 |
| 1980 | 2 |
| 1984 | 1 |
| 1986 | 2 |
| 1987 | 2 |
| 1991 | 2 |
| 1992 | 6 |
| 1993 | 6 |
| 1994 | 5 |
| 1995 | 1 |
| 1996 | 11 |
| 1997 | 6 |
| 1998 | 5 |
| 1999 | 8 |
| 2000 | 13 |
| 2001 | 12 |
| 2002 | 13 |
| 2003 | 10 |
| 2004 | 14 |
| 2005 | 21 |
| 2006 | 16 |
| 2007 | 21 |
| 2008 | 27 |
| 2009 | 27 |
| 2010 | 39 |
| 2011 | 48 |
| 2012 | 54 |
| 2013 | 45 |
| 2014 | 52 |
| 2015 | 51 |
| 2016 | 64 |
| 2017 | 60 |
| 2018 | 83 |
| 2019 | 49 |
| 2020 | 61 |
| 2021 | 73 |
| 2022 | 68 |
| 2023 | 79 |
| 2024 | 69 |
| 2025 | 73 |