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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1916 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 8 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 5 |
| 1956 | 9 |
| 1957 | 4 |
| 1958 | 4 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 6 |
| 1962 | 12 |
| 1963 | 19 |
| 1964 | 24 |
| 1965 | 21 |
| 1966 | 34 |
| 1967 | 35 |
| 1968 | 38 |
| 1969 | 31 |
| 1970 | 48 |
| 1971 | 44 |
| 1972 | 36 |
| 1973 | 37 |
| 1974 | 39 |
| 1975 | 35 |
| 1976 | 35 |
| 1977 | 39 |
| 1978 | 38 |
| 1979 | 45 |
| 1980 | 61 |
| 1981 | 65 |
| 1982 | 79 |
| 1983 | 76 |
| 1984 | 82 |
| 1985 | 96 |
| 1986 | 107 |
| 1987 | 106 |
| 1988 | 139 |
| 1989 | 150 |
| 1990 | 132 |
| 1991 | 127 |
| 1992 | 187 |
| 1993 | 169 |
| 1994 | 200 |
| 1995 | 174 |
| 1996 | 201 |
| 1997 | 190 |
| 1998 | 229 |
| 1999 | 268 |
| 2000 | 302 |
| 2001 | 270 |
| 2002 | 301 |
| 2003 | 282 |
| 2004 | 377 |
| 2005 | 369 |
| 2006 | 399 |
| 2007 | 450 |
| 2008 | 422 |
| 2009 | 419 |
| 2010 | 452 |
| 2011 | 464 |
| 2012 | 481 |
| 2013 | 527 |
| 2014 | 528 |
| 2015 | 516 |
| 2016 | 551 |
| 2017 | 533 |
| 2018 | 531 |
| 2019 | 515 |
| 2020 | 602 |
| 2021 | 674 |
| 2022 | 611 |
| 2023 | 581 |
| 2024 | 245 |
| 2025 | 1 |