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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1917 | 1 |
| 1929 | 1 |
| 1933 | 1 |
| 1938 | 2 |
| 1945 | 7 |
| 1946 | 11 |
| 1947 | 13 |
| 1948 | 18 |
| 1949 | 14 |
| 1950 | 29 |
| 1951 | 43 |
| 1952 | 22 |
| 1953 | 13 |
| 1954 | 37 |
| 1955 | 28 |
| 1956 | 31 |
| 1957 | 50 |
| 1958 | 27 |
| 1959 | 12 |
| 1960 | 26 |
| 1961 | 23 |
| 1962 | 31 |
| 1963 | 24 |
| 1964 | 26 |
| 1965 | 39 |
| 1966 | 33 |
| 1967 | 37 |
| 1968 | 26 |
| 1969 | 24 |
| 1970 | 47 |
| 1971 | 54 |
| 1972 | 54 |
| 1973 | 58 |
| 1974 | 72 |
| 1975 | 74 |
| 1976 | 84 |
| 1977 | 77 |
| 1978 | 75 |
| 1979 | 71 |
| 1980 | 69 |
| 1981 | 94 |
| 1982 | 119 |
| 1983 | 123 |
| 1984 | 142 |
| 1985 | 142 |
| 1986 | 161 |
| 1987 | 208 |
| 1988 | 210 |
| 1989 | 280 |
| 1990 | 317 |
| 1991 | 300 |
| 1992 | 353 |
| 1993 | 414 |
| 1994 | 509 |
| 1995 | 557 |
| 1996 | 690 |
| 1997 | 794 |
| 1998 | 862 |
| 1999 | 971 |
| 2000 | 1123 |
| 2001 | 1222 |
| 2002 | 1309 |
| 2003 | 1556 |
| 2004 | 1659 |
| 2005 | 1941 |
| 2006 | 2486 |
| 2007 | 3851 |
| 2008 | 4921 |
| 2009 | 6151 |
| 2010 | 7353 |
| 2011 | 8696 |
| 2012 | 10277 |
| 2013 | 11147 |
| 2014 | 11391 |
| 2015 | 12845 |
| 2016 | 13062 |
| 2017 | 13494 |
| 2018 | 12676 |
| 2019 | 13207 |
| 2020 | 14375 |
| 2021 | 15397 |
| 2022 | 13899 |
| 2023 | 12549 |
| 2024 | 13343 |
| 2025 | 13176 |
| 2026 | 12 |