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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 2 |
| 1971 | 1 |
| 1973 | 6 |
| 1974 | 9 |
| 1975 | 27 |
| 1976 | 29 |
| 1977 | 33 |
| 1978 | 43 |
| 1979 | 29 |
| 1980 | 46 |
| 1981 | 49 |
| 1982 | 49 |
| 1983 | 29 |
| 1984 | 38 |
| 1985 | 36 |
| 1986 | 47 |
| 1987 | 52 |
| 1988 | 37 |
| 1989 | 56 |
| 1990 | 41 |
| 1991 | 36 |
| 1992 | 40 |
| 1993 | 34 |
| 1994 | 44 |
| 1995 | 35 |
| 1996 | 28 |
| 1997 | 32 |
| 1998 | 46 |
| 1999 | 49 |
| 2000 | 60 |
| 2001 | 54 |
| 2002 | 77 |
| 2003 | 85 |
| 2004 | 110 |
| 2005 | 97 |
| 2006 | 92 |
| 2007 | 118 |
| 2008 | 115 |
| 2009 | 120 |
| 2010 | 144 |
| 2011 | 155 |
| 2012 | 165 |
| 2013 | 182 |
| 2014 | 164 |
| 2015 | 178 |
| 2016 | 162 |
| 2017 | 139 |
| 2018 | 110 |
| 2019 | 120 |
| 2020 | 122 |
| 2021 | 98 |
| 2022 | 124 |
| 2023 | 90 |
| 2024 | 48 |