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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 4 |
| 1975 | 7 |
| 1976 | 10 |
| 1977 | 5 |
| 1978 | 14 |
| 1979 | 20 |
| 1980 | 18 |
| 1981 | 29 |
| 1982 | 50 |
| 1983 | 97 |
| 1984 | 138 |
| 1985 | 128 |
| 1986 | 127 |
| 1987 | 108 |
| 1988 | 103 |
| 1989 | 113 |
| 1990 | 84 |
| 1991 | 77 |
| 1992 | 82 |
| 1993 | 66 |
| 1994 | 59 |
| 1995 | 71 |
| 1996 | 59 |
| 1997 | 72 |
| 1998 | 56 |
| 1999 | 89 |
| 2000 | 74 |
| 2001 | 75 |
| 2002 | 75 |
| 2003 | 80 |
| 2004 | 83 |
| 2005 | 79 |
| 2006 | 126 |
| 2007 | 106 |
| 2008 | 97 |
| 2009 | 83 |
| 2010 | 121 |
| 2011 | 110 |
| 2012 | 115 |
| 2013 | 92 |
| 2014 | 82 |
| 2015 | 78 |
| 2016 | 86 |
| 2017 | 61 |
| 2018 | 64 |
| 2019 | 72 |
| 2020 | 78 |
| 2021 | 80 |
| 2022 | 62 |
| 2023 | 61 |
| 2024 | 55 |
| 2025 | 46 |
| 2026 | 25 |