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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1864 | 1 |
| 1896 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1909 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 4 |
| 1954 | 1 |
| 1955 | 2 |
| 1958 | 2 |
| 1959 | 3 |
| 1960 | 4 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 4 |
| 1965 | 6 |
| 1966 | 4 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 4 |
| 1970 | 14 |
| 1971 | 6 |
| 1972 | 4 |
| 1973 | 3 |
| 1974 | 8 |
| 1975 | 9 |
| 1976 | 8 |
| 1977 | 15 |
| 1978 | 15 |
| 1979 | 7 |
| 1980 | 16 |
| 1981 | 11 |
| 1982 | 10 |
| 1983 | 14 |
| 1984 | 16 |
| 1985 | 12 |
| 1986 | 10 |
| 1987 | 29 |
| 1988 | 50 |
| 1989 | 55 |
| 1990 | 62 |
| 1991 | 69 |
| 1992 | 61 |
| 1993 | 62 |
| 1994 | 62 |
| 1995 | 106 |
| 1996 | 119 |
| 1997 | 90 |
| 1998 | 108 |
| 1999 | 104 |
| 2000 | 153 |
| 2001 | 168 |
| 2002 | 170 |
| 2003 | 188 |
| 2004 | 208 |
| 2005 | 275 |
| 2006 | 289 |
| 2007 | 310 |
| 2008 | 324 |
| 2009 | 396 |
| 2010 | 440 |
| 2011 | 446 |
| 2012 | 509 |
| 2013 | 626 |
| 2014 | 914 |
| 2015 | 1073 |
| 2016 | 1336 |
| 2017 | 1351 |
| 2018 | 1512 |
| 2019 | 1467 |
| 2020 | 1773 |
| 2021 | 2216 |
| 2022 | 2181 |
| 2023 | 1776 |
| 2024 | 666 |