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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1845 | 1 |
| 1872 | 1 |
| 1886 | 2 |
| 1887 | 3 |
| 1888 | 3 |
| 1889 | 2 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 3 |
| 1893 | 13 |
| 1929 | 1 |
| 1948 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 5 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 5 |
| 1967 | 5 |
| 1968 | 1 |
| 1969 | 6 |
| 1970 | 9 |
| 1971 | 6 |
| 1972 | 6 |
| 1973 | 6 |
| 1974 | 4 |
| 1975 | 8 |
| 1976 | 6 |
| 1977 | 7 |
| 1978 | 7 |
| 1979 | 10 |
| 1980 | 10 |
| 1981 | 15 |
| 1982 | 16 |
| 1983 | 17 |
| 1984 | 20 |
| 1985 | 19 |
| 1986 | 15 |
| 1987 | 16 |
| 1988 | 22 |
| 1989 | 35 |
| 1990 | 25 |
| 1991 | 32 |
| 1992 | 28 |
| 1993 | 41 |
| 1994 | 38 |
| 1995 | 21 |
| 1996 | 43 |
| 1997 | 37 |
| 1998 | 46 |
| 1999 | 60 |
| 2000 | 59 |
| 2001 | 75 |
| 2002 | 84 |
| 2003 | 89 |
| 2004 | 114 |
| 2005 | 117 |
| 2006 | 99 |
| 2007 | 120 |
| 2008 | 125 |
| 2009 | 122 |
| 2010 | 131 |
| 2011 | 116 |
| 2012 | 129 |
| 2013 | 202 |
| 2014 | 308 |
| 2015 | 417 |
| 2016 | 433 |
| 2017 | 405 |
| 2018 | 477 |
| 2019 | 500 |
| 2020 | 501 |
| 2021 | 590 |
| 2022 | 569 |
| 2023 | 520 |
| 2024 | 200 |