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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 2 |
| 1923 | 1 |
| 1924 | 2 |
| 1926 | 1 |
| 1934 | 1 |
| 1946 | 2 |
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 3 |
| 1961 | 1 |
| 1964 | 1 |
| 1976 | 1 |
| 1982 | 1 |
| 1984 | 2 |
| 1986 | 2 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 2 |
| 1999 | 1 |
| 2003 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 5 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 7 |
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 16 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 11 |
| 2024 | 5 |