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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 2 |
| 1956 | 3 |
| 1958 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1968 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1976 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 3 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 10 |
| 2003 | 5 |
| 2004 | 12 |
| 2005 | 5 |
| 2006 | 7 |
| 2007 | 20 |
| 2008 | 20 |
| 2009 | 25 |
| 2010 | 20 |
| 2011 | 29 |
| 2012 | 25 |
| 2013 | 27 |
| 2014 | 43 |
| 2015 | 51 |
| 2016 | 59 |
| 2017 | 88 |
| 2018 | 117 |
| 2019 | 114 |
| 2020 | 145 |
| 2021 | 156 |
| 2022 | 139 |
| 2023 | 150 |
| 2024 | 77 |