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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 1 |
| 1899 | 7 |
| 1933 | 10 |
| 1935 | 1 |
| 1943 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 2 |
| 1952 | 2 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 4 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 5 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 11 |
| 1968 | 7 |
| 1969 | 8 |
| 1970 | 5 |
| 1971 | 6 |
| 1972 | 7 |
| 1973 | 11 |
| 1974 | 6 |
| 1975 | 11 |
| 1976 | 18 |
| 1977 | 22 |
| 1978 | 21 |
| 1979 | 21 |
| 1980 | 35 |
| 1981 | 30 |
| 1982 | 35 |
| 1983 | 41 |
| 1984 | 49 |
| 1985 | 47 |
| 1986 | 51 |
| 1987 | 60 |
| 1988 | 57 |
| 1989 | 61 |
| 1990 | 58 |
| 1991 | 87 |
| 1992 | 77 |
| 1993 | 234 |
| 1994 | 136 |
| 1995 | 147 |
| 1996 | 171 |
| 1997 | 157 |
| 1998 | 204 |
| 1999 | 274 |
| 2000 | 298 |
| 2001 | 350 |
| 2002 | 352 |
| 2003 | 447 |
| 2004 | 468 |
| 2005 | 496 |
| 2006 | 790 |
| 2007 | 621 |
| 2008 | 611 |
| 2009 | 654 |
| 2010 | 770 |
| 2011 | 898 |
| 2012 | 1247 |
| 2013 | 1091 |
| 2014 | 1346 |
| 2015 | 1567 |
| 2016 | 1870 |
| 2017 | 3002 |
| 2018 | 10701 |
| 2019 | 182189 |
| 2020 | 1640716 |
| 2021 | 320648 |
| 2022 | 129477 |
| 2023 | 91686 |
| 2024 | 30680 |
| 2025 | 1 |