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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1844 | 2 |
| 1863 | 1 |
| 1866 | 1 |
| 1867 | 1 |
| 1868 | 5 |
| 1869 | 1 |
| 1871 | 1 |
| 1873 | 2 |
| 1917 | 1 |
| 1927 | 1 |
| 1933 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1945 | 1 |
| 1969 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 2 |
| 1978 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 3 |
| 1985 | 3 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 3 |
| 1991 | 2 |
| 1992 | 2 |
| 1994 | 2 |
| 1995 | 4 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 4 |
| 2001 | 8 |
| 2002 | 143 |
| 2003 | 140 |
| 2004 | 155 |
| 2005 | 180 |
| 2006 | 186 |
| 2007 | 199 |
| 2008 | 202 |
| 2009 | 225 |
| 2010 | 237 |
| 2011 | 240 |
| 2012 | 302 |
| 2013 | 312 |
| 2014 | 306 |
| 2015 | 306 |
| 2016 | 285 |
| 2017 | 298 |
| 2018 | 325 |
| 2019 | 254 |
| 2020 | 277 |
| 2021 | 248 |
| 2022 | 193 |
| 2023 | 192 |
| 2024 | 141 |