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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1874 | 1 |
| 1922 | 1 |
| 1928 | 2 |
| 1931 | 1 |
| 1933 | 3 |
| 1937 | 1 |
| 1942 | 1 |
| 1944 | 2 |
| 1945 | 8 |
| 1946 | 20 |
| 1947 | 17 |
| 1948 | 32 |
| 1949 | 28 |
| 1950 | 25 |
| 1951 | 43 |
| 1952 | 15 |
| 1953 | 29 |
| 1954 | 23 |
| 1955 | 38 |
| 1956 | 44 |
| 1957 | 68 |
| 1958 | 54 |
| 1959 | 96 |
| 1960 | 60 |
| 1961 | 67 |
| 1962 | 130 |
| 1963 | 177 |
| 1964 | 131 |
| 1965 | 149 |
| 1966 | 94 |
| 1967 | 96 |
| 1968 | 119 |
| 1969 | 106 |
| 1970 | 134 |
| 1971 | 198 |
| 1972 | 186 |
| 1973 | 234 |
| 1974 | 257 |
| 1975 | 288 |
| 1976 | 314 |
| 1977 | 335 |
| 1978 | 368 |
| 1979 | 407 |
| 1980 | 360 |
| 1981 | 422 |
| 1982 | 439 |
| 1983 | 492 |
| 1984 | 519 |
| 1985 | 630 |
| 1986 | 701 |
| 1987 | 828 |
| 1988 | 954 |
| 1989 | 1043 |
| 1990 | 1147 |
| 1991 | 1219 |
| 1992 | 1434 |
| 1993 | 1531 |
| 1994 | 1694 |
| 1995 | 1844 |
| 1996 | 2047 |
| 1997 | 2127 |
| 1998 | 2333 |
| 1999 | 2393 |
| 2000 | 2613 |
| 2001 | 2898 |
| 2002 | 3251 |
| 2003 | 3721 |
| 2004 | 4385 |
| 2005 | 5192 |
| 2006 | 5702 |
| 2007 | 6056 |
| 2008 | 6713 |
| 2009 | 7396 |
| 2010 | 8354 |
| 2011 | 9379 |
| 2012 | 10464 |
| 2013 | 11643 |
| 2014 | 12568 |
| 2015 | 13601 |
| 2016 | 14026 |
| 2017 | 14550 |
| 2018 | 15151 |
| 2019 | 15922 |
| 2020 | 18426 |
| 2021 | 20588 |
| 2022 | 21421 |
| 2023 | 19850 |
| 2024 | 16311 |
| 2025 | 25 |