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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1830 | 1 |
| 1854 | 1 |
| 1898 | 1 |
| 1917 | 1 |
| 1923 | 1 |
| 1927 | 1 |
| 1934 | 2 |
| 1936 | 1 |
| 1937 | 2 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 3 |
| 1942 | 1 |
| 1943 | 3 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 11 |
| 1947 | 11 |
| 1948 | 8 |
| 1949 | 20 |
| 1950 | 11 |
| 1951 | 23 |
| 1952 | 4 |
| 1953 | 13 |
| 1954 | 20 |
| 1955 | 14 |
| 1956 | 14 |
| 1957 | 19 |
| 1958 | 20 |
| 1959 | 23 |
| 1960 | 15 |
| 1961 | 12 |
| 1962 | 11 |
| 1963 | 17 |
| 1964 | 29 |
| 1965 | 23 |
| 1966 | 23 |
| 1967 | 31 |
| 1968 | 23 |
| 1969 | 16 |
| 1970 | 36 |
| 1971 | 26 |
| 1972 | 29 |
| 1973 | 31 |
| 1974 | 32 |
| 1975 | 33 |
| 1976 | 45 |
| 1977 | 35 |
| 1978 | 49 |
| 1979 | 42 |
| 1980 | 35 |
| 1981 | 45 |
| 1982 | 48 |
| 1983 | 50 |
| 1984 | 39 |
| 1985 | 53 |
| 1986 | 52 |
| 1987 | 60 |
| 1988 | 101 |
| 1989 | 83 |
| 1990 | 90 |
| 1991 | 88 |
| 1992 | 98 |
| 1993 | 131 |
| 1994 | 85 |
| 1995 | 98 |
| 1996 | 82 |
| 1997 | 88 |
| 1998 | 88 |
| 1999 | 115 |
| 2000 | 130 |
| 2001 | 141 |
| 2002 | 183 |
| 2003 | 154 |
| 2004 | 159 |
| 2005 | 162 |
| 2006 | 188 |
| 2007 | 170 |
| 2008 | 225 |
| 2009 | 235 |
| 2010 | 231 |
| 2011 | 240 |
| 2012 | 289 |
| 2013 | 298 |
| 2014 | 348 |
| 2015 | 366 |
| 2016 | 390 |
| 2017 | 401 |
| 2018 | 454 |
| 2019 | 437 |
| 2020 | 481 |
| 2021 | 502 |
| 2022 | 496 |
| 2023 | 436 |
| 2024 | 413 |
| 2025 | 35 |