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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1913 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 3 |
| 1936 | 2 |
| 1938 | 1 |
| 1939 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 11 |
| 1946 | 18 |
| 1947 | 28 |
| 1948 | 18 |
| 1949 | 13 |
| 1950 | 26 |
| 1951 | 25 |
| 1952 | 17 |
| 1953 | 24 |
| 1954 | 21 |
| 1955 | 16 |
| 1956 | 16 |
| 1957 | 21 |
| 1958 | 14 |
| 1959 | 13 |
| 1960 | 21 |
| 1961 | 16 |
| 1962 | 17 |
| 1963 | 20 |
| 1964 | 35 |
| 1965 | 53 |
| 1966 | 54 |
| 1967 | 70 |
| 1968 | 62 |
| 1969 | 74 |
| 1970 | 66 |
| 1971 | 71 |
| 1972 | 83 |
| 1973 | 97 |
| 1974 | 93 |
| 1975 | 238 |
| 1976 | 262 |
| 1977 | 348 |
| 1978 | 316 |
| 1979 | 367 |
| 1980 | 403 |
| 1981 | 442 |
| 1982 | 491 |
| 1983 | 510 |
| 1984 | 596 |
| 1985 | 527 |
| 1986 | 660 |
| 1987 | 629 |
| 1988 | 613 |
| 1989 | 699 |
| 1990 | 831 |
| 1991 | 768 |
| 1992 | 733 |
| 1993 | 798 |
| 1994 | 806 |
| 1995 | 801 |
| 1996 | 788 |
| 1997 | 790 |
| 1998 | 821 |
| 1999 | 900 |
| 2000 | 1021 |
| 2001 | 1056 |
| 2002 | 1125 |
| 2003 | 1080 |
| 2004 | 1225 |
| 2005 | 1274 |
| 2006 | 1253 |
| 2007 | 1296 |
| 2008 | 1416 |
| 2009 | 1369 |
| 2010 | 1480 |
| 2011 | 1550 |
| 2012 | 1641 |
| 2013 | 2045 |
| 2014 | 2287 |
| 2015 | 2511 |
| 2016 | 2310 |
| 2017 | 2325 |
| 2018 | 2319 |
| 2019 | 2213 |
| 2020 | 2325 |
| 2021 | 2466 |
| 2022 | 2342 |
| 2023 | 2219 |
| 2024 | 2381 |
| 2025 | 2544 |
| 2026 | 625 |