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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1915 | 4 |
| 1916 | 2 |
| 1918 | 1 |
| 1919 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1927 | 1 |
| 1928 | 3 |
| 1929 | 1 |
| 1932 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1945 | 1 |
| 1946 | 16 |
| 1947 | 15 |
| 1948 | 15 |
| 1949 | 6 |
| 1950 | 11 |
| 1951 | 12 |
| 1952 | 15 |
| 1953 | 11 |
| 1954 | 8 |
| 1955 | 11 |
| 1956 | 16 |
| 1957 | 16 |
| 1958 | 20 |
| 1959 | 17 |
| 1960 | 15 |
| 1961 | 13 |
| 1962 | 9 |
| 1963 | 19 |
| 1964 | 12 |
| 1965 | 17 |
| 1966 | 26 |
| 1967 | 20 |
| 1968 | 23 |
| 1969 | 22 |
| 1970 | 13 |
| 1971 | 20 |
| 1972 | 29 |
| 1973 | 25 |
| 1974 | 44 |
| 1975 | 31 |
| 1976 | 38 |
| 1977 | 55 |
| 1978 | 31 |
| 1979 | 40 |
| 1980 | 52 |
| 1981 | 40 |
| 1982 | 42 |
| 1983 | 48 |
| 1984 | 79 |
| 1985 | 56 |
| 1986 | 67 |
| 1987 | 79 |
| 1988 | 98 |
| 1989 | 85 |
| 1990 | 77 |
| 1991 | 91 |
| 1992 | 114 |
| 1993 | 107 |
| 1994 | 106 |
| 1995 | 103 |
| 1996 | 101 |
| 1997 | 123 |
| 1998 | 101 |
| 1999 | 121 |
| 2000 | 138 |
| 2001 | 178 |
| 2002 | 193 |
| 2003 | 177 |
| 2004 | 194 |
| 2005 | 210 |
| 2006 | 273 |
| 2007 | 231 |
| 2008 | 257 |
| 2009 | 257 |
| 2010 | 277 |
| 2011 | 314 |
| 2012 | 336 |
| 2013 | 387 |
| 2014 | 382 |
| 2015 | 384 |
| 2016 | 377 |
| 2017 | 363 |
| 2018 | 363 |
| 2019 | 374 |
| 2020 | 435 |
| 2021 | 465 |
| 2022 | 472 |
| 2023 | 356 |