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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 51 |
| 1973 | 26 |
| 1974 | 65 |
| 1975 | 53 |
| 1976 | 36 |
| 1977 | 33 |
| 1978 | 24 |
| 1979 | 31 |
| 1980 | 17 |
| 1981 | 20 |
| 1982 | 11 |
| 1983 | 16 |
| 1984 | 29 |
| 1985 | 25 |
| 1986 | 10 |
| 1987 | 35 |
| 1988 | 36 |
| 1989 | 25 |
| 1990 | 46 |
| 1991 | 22 |
| 1992 | 15 |
| 1993 | 13 |
| 1994 | 18 |
| 1995 | 15 |
| 1996 | 14 |
| 1997 | 23 |
| 1998 | 32 |
| 1999 | 25 |
| 2000 | 94 |
| 2001 | 98 |
| 2002 | 107 |
| 2003 | 110 |
| 2004 | 100 |
| 2005 | 104 |
| 2006 | 106 |
| 2007 | 115 |
| 2008 | 159 |
| 2009 | 157 |
| 2010 | 149 |
| 2011 | 102 |
| 2012 | 241 |
| 2013 | 294 |
| 2014 | 340 |
| 2015 | 329 |
| 2016 | 264 |
| 2017 | 139 |
| 2018 | 116 |
| 2019 | 113 |
| 2020 | 119 |
| 2021 | 116 |
| 2022 | 121 |
| 2023 | 151 |
| 2024 | 70 |