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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 4 |
| 1948 | 3 |
| 1949 | 3 |
| 1950 | 4 |
| 1951 | 3 |
| 1952 | 6 |
| 1953 | 5 |
| 1954 | 5 |
| 1955 | 9 |
| 1956 | 3 |
| 1957 | 5 |
| 1958 | 11 |
| 1959 | 10 |
| 1960 | 9 |
| 1961 | 12 |
| 1962 | 8 |
| 1963 | 9 |
| 1964 | 7 |
| 1965 | 4 |
| 1968 | 1 |
| 1969 | 1 |
| 1979 | 2 |
| 1980 | 1 |
| 1982 | 2 |
| 1989 | 1 |
| 1990 | 8 |
| 1991 | 53 |
| 1992 | 69 |
| 1993 | 93 |
| 1994 | 87 |
| 1995 | 100 |
| 1996 | 109 |
| 1997 | 108 |
| 1998 | 161 |
| 1999 | 155 |
| 2000 | 192 |
| 2001 | 206 |
| 2002 | 256 |
| 2003 | 210 |
| 2004 | 243 |
| 2005 | 342 |
| 2006 | 394 |
| 2007 | 468 |
| 2008 | 550 |
| 2009 | 639 |
| 2010 | 687 |
| 2011 | 807 |
| 2012 | 898 |
| 2013 | 880 |
| 2014 | 942 |
| 2015 | 1035 |
| 2016 | 1018 |
| 2017 | 907 |
| 2018 | 942 |
| 2019 | 940 |
| 2020 | 624 |
| 2021 | 217 |
| 2022 | 23 |
| 2023 | 16 |
| 2024 | 42 |