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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1955 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1964 | 3 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 3 |
| 1993 | 8 |
| 1994 | 3 |
| 1995 | 8 |
| 1996 | 5 |
| 1997 | 8 |
| 1998 | 10 |
| 1999 | 13 |
| 2000 | 12 |
| 2001 | 4 |
| 2002 | 10 |
| 2003 | 12 |
| 2004 | 6 |
| 2005 | 15 |
| 2006 | 18 |
| 2007 | 22 |
| 2008 | 28 |
| 2009 | 25 |
| 2010 | 36 |
| 2011 | 42 |
| 2012 | 41 |
| 2013 | 53 |
| 2014 | 53 |
| 2015 | 54 |
| 2016 | 72 |
| 2017 | 83 |
| 2018 | 65 |
| 2019 | 61 |
| 2020 | 64 |
| 2021 | 88 |
| 2022 | 68 |
| 2023 | 47 |
| 2024 | 22 |