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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1968 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 1993 | 5 |
| 1994 | 8 |
| 1995 | 8 |
| 1996 | 7 |
| 1997 | 11 |
| 1998 | 10 |
| 1999 | 13 |
| 2000 | 10 |
| 2001 | 25 |
| 2002 | 35 |
| 2003 | 38 |
| 2004 | 51 |
| 2005 | 60 |
| 2006 | 71 |
| 2007 | 62 |
| 2008 | 70 |
| 2009 | 77 |
| 2010 | 98 |
| 2011 | 146 |
| 2012 | 149 |
| 2013 | 139 |
| 2014 | 175 |
| 2015 | 177 |
| 2016 | 141 |
| 2017 | 146 |
| 2018 | 144 |
| 2019 | 168 |
| 2020 | 177 |
| 2021 | 182 |
| 2022 | 174 |
| 2023 | 157 |
| 2024 | 52 |