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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 6 |
| 1978 | 16 |
| 1979 | 14 |
| 1980 | 19 |
| 1981 | 16 |
| 1982 | 33 |
| 1983 | 25 |
| 1984 | 35 |
| 1985 | 33 |
| 1986 | 39 |
| 1987 | 52 |
| 1988 | 49 |
| 1989 | 71 |
| 1990 | 36 |
| 1991 | 46 |
| 1992 | 40 |
| 1993 | 42 |
| 1994 | 35 |
| 1995 | 62 |
| 1996 | 49 |
| 1997 | 57 |
| 1998 | 46 |
| 1999 | 56 |
| 2000 | 46 |
| 2001 | 59 |
| 2002 | 63 |
| 2003 | 42 |
| 2004 | 54 |
| 2005 | 71 |
| 2006 | 71 |
| 2007 | 66 |
| 2008 | 69 |
| 2009 | 71 |
| 2010 | 70 |
| 2011 | 83 |
| 2012 | 92 |
| 2013 | 79 |
| 2014 | 86 |
| 2015 | 81 |
| 2016 | 97 |
| 2017 | 91 |
| 2018 | 99 |
| 2019 | 130 |
| 2020 | 130 |
| 2021 | 112 |
| 2022 | 100 |
| 2023 | 86 |
| 2024 | 33 |