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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1966 | 3 |
| 1967 | 1 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 2 |
| 1975 | 2 |
| 1976 | 10 |
| 1977 | 2 |
| 1978 | 10 |
| 1980 | 2 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 3 |
| 1985 | 4 |
| 1986 | 7 |
| 1987 | 8 |
| 1988 | 49 |
| 1989 | 186 |
| 1990 | 429 |
| 1991 | 569 |
| 1992 | 717 |
| 1993 | 704 |
| 1994 | 710 |
| 1995 | 668 |
| 1996 | 670 |
| 1997 | 811 |
| 1998 | 984 |
| 1999 | 1202 |
| 2000 | 1189 |
| 2001 | 1356 |
| 2002 | 1314 |
| 2003 | 1621 |
| 2004 | 1773 |
| 2005 | 1766 |
| 2006 | 1969 |
| 2007 | 2261 |
| 2008 | 2412 |
| 2009 | 2727 |
| 2010 | 3280 |
| 2011 | 3637 |
| 2012 | 4374 |
| 2013 | 4893 |
| 2014 | 5128 |
| 2015 | 5487 |
| 2016 | 5579 |
| 2017 | 6148 |
| 2018 | 7188 |
| 2019 | 7372 |
| 2020 | 6490 |
| 2021 | 4244 |
| 2022 | 577 |
| 2023 | 625 |
| 2024 | 8610 |
| 2025 | 5614 |