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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 | 6 |
| 1975 | 37 |
| 1976 | 47 |
| 1977 | 52 |
| 1978 | 44 |
| 1979 | 39 |
| 1980 | 52 |
| 1981 | 43 |
| 1982 | 58 |
| 1983 | 57 |
| 1984 | 66 |
| 1985 | 73 |
| 1986 | 68 |
| 1987 | 69 |
| 1988 | 83 |
| 1989 | 93 |
| 1990 | 103 |
| 1991 | 112 |
| 1992 | 101 |
| 1993 | 73 |
| 1994 | 94 |
| 1995 | 75 |
| 1996 | 72 |
| 1997 | 100 |
| 1998 | 92 |
| 1999 | 80 |
| 2000 | 90 |
| 2001 | 100 |
| 2002 | 106 |
| 2003 | 125 |
| 2004 | 115 |
| 2005 | 124 |
| 2006 | 160 |
| 2007 | 150 |
| 2008 | 165 |
| 2009 | 185 |
| 2010 | 208 |
| 2011 | 222 |
| 2012 | 248 |
| 2013 | 263 |
| 2014 | 240 |
| 2015 | 267 |
| 2016 | 247 |
| 2017 | 220 |
| 2018 | 203 |
| 2019 | 190 |
| 2020 | 132 |
| 2021 | 117 |
| 2022 | 132 |
| 2023 | 122 |
| 2024 | 165 |
| 2025 | 41 |