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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1929 | 1 |
| 1945 | 1 |
| 1946 | 16 |
| 1947 | 13 |
| 1948 | 22 |
| 1949 | 22 |
| 1950 | 13 |
| 1951 | 40 |
| 1952 | 21 |
| 1953 | 20 |
| 1954 | 18 |
| 1955 | 24 |
| 1956 | 17 |
| 1957 | 17 |
| 1958 | 20 |
| 1959 | 14 |
| 1960 | 21 |
| 1961 | 21 |
| 1962 | 13 |
| 1963 | 9 |
| 1964 | 19 |
| 1965 | 13 |
| 1966 | 17 |
| 1967 | 16 |
| 1968 | 23 |
| 1969 | 40 |
| 1970 | 38 |
| 1971 | 22 |
| 1972 | 21 |
| 1973 | 23 |
| 1974 | 39 |
| 1975 | 33 |
| 1976 | 17 |
| 1977 | 22 |
| 1978 | 24 |
| 1979 | 9 |
| 1980 | 16 |
| 1981 | 23 |
| 1982 | 26 |
| 1983 | 34 |
| 1984 | 39 |
| 1985 | 38 |
| 1986 | 28 |
| 1987 | 53 |
| 1988 | 48 |
| 1989 | 59 |
| 1990 | 55 |
| 1991 | 57 |
| 1992 | 63 |
| 1993 | 67 |
| 1994 | 75 |
| 1995 | 87 |
| 1996 | 86 |
| 1997 | 70 |
| 1998 | 108 |
| 1999 | 118 |
| 2000 | 149 |
| 2001 | 192 |
| 2002 | 213 |
| 2003 | 212 |
| 2004 | 267 |
| 2005 | 334 |
| 2006 | 372 |
| 2007 | 408 |
| 2008 | 437 |
| 2009 | 466 |
| 2010 | 520 |
| 2011 | 519 |
| 2012 | 561 |
| 2013 | 556 |
| 2014 | 711 |
| 2015 | 811 |
| 2016 | 854 |
| 2017 | 764 |
| 2018 | 812 |
| 2019 | 884 |
| 2020 | 855 |
| 2021 | 926 |
| 2022 | 871 |
| 2023 | 608 |