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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1975 | 3 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 1 |
| 1981 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1991 | 2 |
| 1992 | 3 |
| 1993 | 8 |
| 1994 | 7 |
| 1995 | 8 |
| 1996 | 11 |
| 1997 | 15 |
| 1998 | 33 |
| 1999 | 35 |
| 2000 | 53 |
| 2001 | 63 |
| 2002 | 60 |
| 2003 | 50 |
| 2004 | 50 |
| 2005 | 80 |
| 2006 | 75 |
| 2007 | 78 |
| 2008 | 95 |
| 2009 | 99 |
| 2010 | 93 |
| 2011 | 91 |
| 2012 | 84 |
| 2013 | 92 |
| 2014 | 70 |
| 2015 | 55 |
| 2016 | 65 |
| 2017 | 76 |
| 2018 | 68 |
| 2019 | 64 |
| 2020 | 79 |
| 2021 | 72 |
| 2022 | 67 |
| 2023 | 58 |
| 2024 | 49 |
| 2025 | 3 |