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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1949 | 1 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 5 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 5 |
| 1965 | 3 |
| 1979 | 20 |
| 1980 | 74 |
| 1981 | 110 |
| 1982 | 89 |
| 1983 | 120 |
| 1984 | 99 |
| 1985 | 107 |
| 1986 | 71 |
| 1987 | 97 |
| 1988 | 147 |
| 1989 | 164 |
| 1990 | 399 |
| 1991 | 516 |
| 1992 | 736 |
| 1993 | 853 |
| 1994 | 1069 |
| 1995 | 1344 |
| 1996 | 1177 |
| 1997 | 1323 |
| 1998 | 1287 |
| 1999 | 1366 |
| 2000 | 1595 |
| 2001 | 1529 |
| 2002 | 1697 |
| 2003 | 1779 |
| 2004 | 1949 |
| 2005 | 2176 |
| 2006 | 2084 |
| 2007 | 2087 |
| 2008 | 2097 |
| 2009 | 2198 |
| 2010 | 2225 |
| 2011 | 2627 |
| 2012 | 2693 |
| 2013 | 2883 |
| 2014 | 3104 |
| 2015 | 3095 |
| 2016 | 2832 |
| 2017 | 2795 |
| 2018 | 2685 |
| 2019 | 2499 |
| 2020 | 2335 |
| 2021 | 2110 |
| 2022 | 1867 |
| 2023 | 1497 |
| 2024 | 417 |