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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1919 | 1 |
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1951 | 1 |
| 1955 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1962 | 2 |
| 1963 | 7 |
| 1964 | 6 |
| 1965 | 10 |
| 1966 | 5 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 3 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 4 |
| 1979 | 5 |
| 1980 | 8 |
| 1981 | 11 |
| 1982 | 20 |
| 1983 | 17 |
| 1984 | 11 |
| 1985 | 24 |
| 1986 | 21 |
| 1987 | 42 |
| 1988 | 91 |
| 1989 | 102 |
| 1990 | 105 |
| 1991 | 135 |
| 1992 | 186 |
| 1993 | 177 |
| 1994 | 225 |
| 1995 | 225 |
| 1996 | 260 |
| 1997 | 243 |
| 1998 | 262 |
| 1999 | 273 |
| 2000 | 333 |
| 2001 | 354 |
| 2002 | 426 |
| 2003 | 456 |
| 2004 | 570 |
| 2005 | 640 |
| 2006 | 689 |
| 2007 | 745 |
| 2008 | 764 |
| 2009 | 824 |
| 2010 | 991 |
| 2011 | 1058 |
| 2012 | 1106 |
| 2013 | 1336 |
| 2014 | 1981 |
| 2015 | 2386 |
| 2016 | 2625 |
| 2017 | 2787 |
| 2018 | 2916 |
| 2019 | 3152 |
| 2020 | 3791 |
| 2021 | 4278 |
| 2022 | 4027 |
| 2023 | 3623 |
| 2024 | 1579 |