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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1956 | 1 |
| 1962 | 1 |
| 1964 | 1 |
| 1974 | 1 |
| 1976 | 34 |
| 1977 | 75 |
| 1978 | 94 |
| 1979 | 109 |
| 1980 | 167 |
| 1981 | 217 |
| 1982 | 327 |
| 1983 | 336 |
| 1984 | 370 |
| 1985 | 363 |
| 1986 | 546 |
| 1987 | 640 |
| 1988 | 678 |
| 1989 | 703 |
| 1990 | 817 |
| 1991 | 769 |
| 1992 | 912 |
| 1993 | 1284 |
| 1994 | 1695 |
| 1995 | 1751 |
| 1996 | 1795 |
| 1997 | 1864 |
| 1998 | 1937 |
| 1999 | 1853 |
| 2000 | 1778 |
| 2001 | 1760 |
| 2002 | 1730 |
| 2003 | 1920 |
| 2004 | 1782 |
| 2005 | 1929 |
| 2006 | 1909 |
| 2007 | 1909 |
| 2008 | 1836 |
| 2009 | 1733 |
| 2010 | 1780 |
| 2011 | 1822 |
| 2012 | 1877 |
| 2013 | 1847 |
| 2014 | 1758 |
| 2015 | 1768 |
| 2016 | 1636 |
| 2017 | 1544 |
| 2018 | 1501 |
| 2019 | 1504 |
| 2020 | 1494 |
| 2021 | 1227 |
| 2022 | 733 |
| 2023 | 462 |
| 2024 | 110 |