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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 | 2 |
| 1969 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1976 | 2 |
| 1979 | 2 |
| 1980 | 2 |
| 1982 | 11 |
| 1983 | 25 |
| 1987 | 1 |
| 1989 | 15 |
| 1990 | 134 |
| 1991 | 517 |
| 1992 | 549 |
| 1993 | 747 |
| 1994 | 730 |
| 1995 | 891 |
| 1996 | 864 |
| 1997 | 882 |
| 1998 | 965 |
| 1999 | 1027 |
| 2000 | 1030 |
| 2001 | 1092 |
| 2002 | 1323 |
| 2003 | 1410 |
| 2004 | 1357 |
| 2005 | 1634 |
| 2006 | 1760 |
| 2007 | 2104 |
| 2008 | 2467 |
| 2009 | 2830 |
| 2010 | 3009 |
| 2011 | 3076 |
| 2012 | 3390 |
| 2013 | 3406 |
| 2014 | 3732 |
| 2015 | 3606 |
| 2016 | 3641 |
| 2017 | 3861 |
| 2018 | 3950 |
| 2019 | 3887 |
| 2020 | 3647 |
| 2021 | 3275 |
| 2022 | 2538 |
| 2023 | 2110 |
| 2024 | 3223 |
| 2025 | 1908 |