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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1892 | 1 |
| 1898 | 1 |
| 1901 | 5 |
| 1906 | 1 |
| 1908 | 2 |
| 1909 | 2 |
| 1911 | 1 |
| 1918 | 3 |
| 1922 | 1 |
| 1924 | 1 |
| 1937 | 1 |
| 1939 | 2 |
| 1946 | 3 |
| 1947 | 4 |
| 1948 | 4 |
| 1949 | 5 |
| 1950 | 9 |
| 1951 | 5 |
| 1952 | 6 |
| 1953 | 9 |
| 1954 | 8 |
| 1955 | 3 |
| 1956 | 9 |
| 1957 | 11 |
| 1958 | 4 |
| 1959 | 7 |
| 1960 | 10 |
| 1961 | 10 |
| 1962 | 5 |
| 1963 | 14 |
| 1964 | 9 |
| 1965 | 11 |
| 1966 | 7 |
| 1967 | 13 |
| 1968 | 10 |
| 1969 | 19 |
| 1970 | 34 |
| 1971 | 30 |
| 1972 | 15 |
| 1973 | 29 |
| 1974 | 28 |
| 1975 | 22 |
| 1976 | 33 |
| 1977 | 18 |
| 1978 | 37 |
| 1979 | 46 |
| 1980 | 41 |
| 1981 | 38 |
| 1982 | 59 |
| 1983 | 67 |
| 1984 | 97 |
| 1985 | 96 |
| 1986 | 97 |
| 1987 | 97 |
| 1988 | 105 |
| 1989 | 102 |
| 1990 | 114 |
| 1991 | 112 |
| 1992 | 113 |
| 1993 | 114 |
| 1994 | 137 |
| 1995 | 99 |
| 1996 | 98 |
| 1997 | 134 |
| 1998 | 112 |
| 1999 | 135 |
| 2000 | 134 |
| 2001 | 139 |
| 2002 | 170 |
| 2003 | 153 |
| 2004 | 188 |
| 2005 | 177 |
| 2006 | 209 |
| 2007 | 211 |
| 2008 | 208 |
| 2009 | 240 |
| 2010 | 237 |
| 2011 | 296 |
| 2012 | 305 |
| 2013 | 318 |
| 2014 | 326 |
| 2015 | 359 |
| 2016 | 382 |
| 2017 | 346 |
| 2018 | 405 |
| 2019 | 416 |
| 2020 | 468 |
| 2021 | 509 |
| 2022 | 464 |
| 2023 | 222 |