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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1915 | 1 |
| 1916 | 2 |
| 1917 | 1 |
| 1921 | 2 |
| 1926 | 1 |
| 1931 | 1 |
| 1933 | 1 |
| 1935 | 1 |
| 1946 | 4 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 5 |
| 1950 | 2 |
| 1951 | 13 |
| 1952 | 5 |
| 1953 | 5 |
| 1954 | 8 |
| 1955 | 11 |
| 1956 | 11 |
| 1957 | 5 |
| 1958 | 5 |
| 1959 | 5 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 10 |
| 1963 | 14 |
| 1964 | 12 |
| 1965 | 11 |
| 1966 | 12 |
| 1967 | 15 |
| 1968 | 22 |
| 1969 | 19 |
| 1970 | 31 |
| 1971 | 25 |
| 1972 | 25 |
| 1973 | 16 |
| 1974 | 31 |
| 1975 | 25 |
| 1976 | 30 |
| 1977 | 36 |
| 1978 | 47 |
| 1979 | 34 |
| 1980 | 53 |
| 1981 | 49 |
| 1982 | 53 |
| 1983 | 48 |
| 1984 | 66 |
| 1985 | 60 |
| 1986 | 69 |
| 1987 | 80 |
| 1988 | 72 |
| 1989 | 91 |
| 1990 | 84 |
| 1991 | 92 |
| 1992 | 112 |
| 1993 | 112 |
| 1994 | 105 |
| 1995 | 122 |
| 1996 | 125 |
| 1997 | 109 |
| 1998 | 128 |
| 1999 | 99 |
| 2000 | 136 |
| 2001 | 99 |
| 2002 | 118 |
| 2003 | 154 |
| 2004 | 174 |
| 2005 | 201 |
| 2006 | 210 |
| 2007 | 197 |
| 2008 | 229 |
| 2009 | 240 |
| 2010 | 220 |
| 2011 | 275 |
| 2012 | 258 |
| 2013 | 303 |
| 2014 | 310 |
| 2015 | 374 |
| 2016 | 400 |
| 2017 | 347 |
| 2018 | 390 |
| 2019 | 385 |
| 2020 | 396 |
| 2021 | 448 |
| 2022 | 417 |
| 2023 | 416 |
| 2024 | 212 |