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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1962 | 1 |
| 1966 | 1 |
| 1970 | 2 |
| 1971 | 4 |
| 1972 | 5 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 4 |
| 1979 | 1 |
| 1980 | 4 |
| 1981 | 4 |
| 1982 | 6 |
| 1983 | 2 |
| 1984 | 19 |
| 1985 | 29 |
| 1986 | 28 |
| 1987 | 26 |
| 1988 | 25 |
| 1989 | 36 |
| 1990 | 95 |
| 1991 | 95 |
| 1992 | 135 |
| 1993 | 215 |
| 1994 | 339 |
| 1995 | 491 |
| 1996 | 513 |
| 1997 | 547 |
| 1998 | 563 |
| 1999 | 721 |
| 2000 | 969 |
| 2001 | 816 |
| 2002 | 840 |
| 2003 | 808 |
| 2004 | 770 |
| 2005 | 820 |
| 2006 | 733 |
| 2007 | 674 |
| 2008 | 653 |
| 2009 | 645 |
| 2010 | 683 |
| 2011 | 759 |
| 2012 | 757 |
| 2013 | 666 |
| 2014 | 667 |
| 2015 | 731 |
| 2016 | 729 |
| 2017 | 759 |
| 2018 | 778 |
| 2019 | 828 |
| 2020 | 880 |
| 2021 | 1037 |
| 2022 | 1007 |
| 2023 | 120 |