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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1872 | 1 |
| 1874 | 1 |
| 1877 | 1 |
| 1917 | 2 |
| 1918 | 1 |
| 1921 | 1 |
| 1937 | 1 |
| 1938 | 3 |
| 1939 | 2 |
| 1942 | 1 |
| 1945 | 1 |
| 1946 | 1 |
| 1948 | 5 |
| 1949 | 5 |
| 1950 | 6 |
| 1951 | 5 |
| 1952 | 9 |
| 1953 | 10 |
| 1954 | 7 |
| 1955 | 7 |
| 1956 | 7 |
| 1957 | 9 |
| 1958 | 8 |
| 1959 | 3 |
| 1960 | 6 |
| 1961 | 11 |
| 1962 | 13 |
| 1963 | 17 |
| 1964 | 33 |
| 1965 | 18 |
| 1966 | 18 |
| 1967 | 28 |
| 1968 | 19 |
| 1969 | 26 |
| 1970 | 35 |
| 1971 | 28 |
| 1972 | 37 |
| 1973 | 48 |
| 1974 | 43 |
| 1975 | 66 |
| 1976 | 65 |
| 1977 | 78 |
| 1978 | 86 |
| 1979 | 87 |
| 1980 | 118 |
| 1981 | 99 |
| 1982 | 96 |
| 1983 | 123 |
| 1984 | 147 |
| 1985 | 156 |
| 1986 | 126 |
| 1987 | 141 |
| 1988 | 173 |
| 1989 | 199 |
| 1990 | 211 |
| 1991 | 228 |
| 1992 | 234 |
| 1993 | 254 |
| 1994 | 282 |
| 1995 | 321 |
| 1996 | 332 |
| 1997 | 375 |
| 1998 | 414 |
| 1999 | 428 |
| 2000 | 498 |
| 2001 | 556 |
| 2002 | 646 |
| 2003 | 777 |
| 2004 | 864 |
| 2005 | 979 |
| 2006 | 1176 |
| 2007 | 1350 |
| 2008 | 1662 |
| 2009 | 1918 |
| 2010 | 2100 |
| 2011 | 2616 |
| 2012 | 2902 |
| 2013 | 3187 |
| 2014 | 3683 |
| 2015 | 4132 |
| 2016 | 4464 |
| 2017 | 4996 |
| 2018 | 5656 |
| 2019 | 6483 |
| 2020 | 8372 |
| 2021 | 10607 |
| 2022 | 11310 |
| 2023 | 11208 |
| 2024 | 12126 |
| 2025 | 12201 |
| 2026 | 36 |