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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1868 | 1 |
| 1877 | 1 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 1 |
| 1890 | 2 |
| 1891 | 1 |
| 1898 | 1 |
| 1902 | 2 |
| 1903 | 1 |
| 1911 | 1 |
| 1913 | 1 |
| 1918 | 2 |
| 1957 | 3 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1974 | 8 |
| 1975 | 2 |
| 1976 | 3 |
| 1977 | 3 |
| 1978 | 4 |
| 1979 | 6 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 2 |
| 1984 | 5 |
| 1985 | 1 |
| 1986 | 6 |
| 1987 | 5 |
| 1988 | 3 |
| 1989 | 10 |
| 1990 | 10 |
| 1991 | 23 |
| 1992 | 21 |
| 1993 | 22 |
| 1994 | 28 |
| 1995 | 24 |
| 1996 | 25 |
| 1997 | 22 |
| 1998 | 20 |
| 1999 | 35 |
| 2000 | 39 |
| 2001 | 33 |
| 2002 | 37 |
| 2003 | 44 |
| 2004 | 54 |
| 2005 | 49 |
| 2006 | 56 |
| 2007 | 65 |
| 2008 | 73 |
| 2009 | 66 |
| 2010 | 45 |
| 2011 | 61 |
| 2012 | 105 |
| 2013 | 157 |
| 2014 | 256 |
| 2015 | 281 |
| 2016 | 356 |
| 2017 | 395 |
| 2018 | 478 |
| 2019 | 541 |
| 2020 | 1526 |
| 2021 | 1568 |
| 2022 | 981 |
| 2023 | 1324 |
| 2024 | 406 |