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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1860 | 1 |
| 1872 | 1 |
| 1895 | 1 |
| 1896 | 2 |
| 1897 | 3 |
| 1898 | 3 |
| 1899 | 2 |
| 1901 | 1 |
| 1910 | 1 |
| 1926 | 1 |
| 1938 | 1 |
| 1939 | 3 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 2 |
| 1944 | 2 |
| 1945 | 7 |
| 1946 | 7 |
| 1947 | 15 |
| 1948 | 10 |
| 1949 | 7 |
| 1950 | 15 |
| 1951 | 13 |
| 1952 | 20 |
| 1953 | 9 |
| 1954 | 11 |
| 1955 | 16 |
| 1956 | 5 |
| 1957 | 10 |
| 1958 | 9 |
| 1959 | 8 |
| 1960 | 10 |
| 1961 | 7 |
| 1962 | 9 |
| 1963 | 22 |
| 1964 | 13 |
| 1965 | 19 |
| 1966 | 17 |
| 1967 | 14 |
| 1968 | 22 |
| 1969 | 87 |
| 1970 | 24 |
| 1971 | 30 |
| 1972 | 26 |
| 1973 | 26 |
| 1974 | 19 |
| 1975 | 35 |
| 1976 | 28 |
| 1977 | 32 |
| 1978 | 37 |
| 1979 | 39 |
| 1980 | 52 |
| 1981 | 34 |
| 1982 | 56 |
| 1983 | 54 |
| 1984 | 82 |
| 1985 | 91 |
| 1986 | 77 |
| 1987 | 288 |
| 1988 | 453 |
| 1989 | 453 |
| 1990 | 533 |
| 1991 | 522 |
| 1992 | 493 |
| 1993 | 568 |
| 1994 | 596 |
| 1995 | 667 |
| 1996 | 752 |
| 1997 | 866 |
| 1998 | 881 |
| 1999 | 953 |
| 2000 | 1039 |
| 2001 | 1129 |
| 2002 | 1252 |
| 2003 | 1194 |
| 2004 | 1217 |
| 2005 | 1357 |
| 2006 | 1494 |
| 2007 | 1601 |
| 2008 | 1726 |
| 2009 | 1850 |
| 2010 | 2083 |
| 2011 | 2197 |
| 2012 | 2431 |
| 2013 | 2589 |
| 2014 | 3158 |
| 2015 | 3636 |
| 2016 | 3883 |
| 2017 | 4152 |
| 2018 | 4481 |
| 2019 | 4599 |
| 2020 | 5598 |
| 2021 | 6110 |
| 2022 | 5463 |
| 2023 | 5182 |
| 2024 | 1797 |