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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1923 | 1 |
| 1929 | 1 |
| 1937 | 1 |
| 1939 | 1 |
| 1941 | 3 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 4 |
| 1948 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 1 |
| 1958 | 1 |
| 1977 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1986 | 1 |
| 1991 | 4 |
| 1992 | 2 |
| 1993 | 2 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 3 |
| 1999 | 4 |
| 2001 | 4 |
| 2002 | 3 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 5 |
| 2008 | 2 |
| 2009 | 5 |
| 2010 | 9 |
| 2011 | 5 |
| 2012 | 5 |
| 2013 | 3 |
| 2014 | 5 |
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |