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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 5 |
| 1975 | 35 |
| 1976 | 45 |
| 1977 | 46 |
| 1978 | 37 |
| 1979 | 36 |
| 1980 | 43 |
| 1981 | 29 |
| 1982 | 36 |
| 1983 | 36 |
| 1984 | 45 |
| 1985 | 53 |
| 1986 | 50 |
| 1987 | 46 |
| 1988 | 61 |
| 1989 | 74 |
| 1990 | 75 |
| 1991 | 79 |
| 1992 | 72 |
| 1993 | 57 |
| 1994 | 78 |
| 1995 | 62 |
| 1996 | 55 |
| 1997 | 76 |
| 1998 | 69 |
| 1999 | 50 |
| 2000 | 59 |
| 2001 | 73 |
| 2002 | 75 |
| 2003 | 83 |
| 2004 | 78 |
| 2005 | 78 |
| 2006 | 107 |
| 2007 | 101 |
| 2008 | 100 |
| 2009 | 102 |
| 2010 | 135 |
| 2011 | 150 |
| 2012 | 148 |
| 2013 | 174 |
| 2014 | 168 |
| 2015 | 166 |
| 2016 | 161 |
| 2017 | 135 |
| 2018 | 125 |
| 2019 | 113 |
| 2020 | 91 |
| 2021 | 96 |
| 2022 | 130 |
| 2023 | 120 |
| 2024 | 131 |
| 2025 | 152 |
| 2026 | 93 |