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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 5 |
| 1963 | 2 |
| 1964 | 5 |
| 1969 | 1 |
| 1970 | 1 |
| 1975 | 1 |
| 1976 | 33 |
| 1977 | 101 |
| 1978 | 99 |
| 1979 | 88 |
| 1980 | 101 |
| 1981 | 102 |
| 1982 | 78 |
| 1983 | 87 |
| 1984 | 63 |
| 1985 | 56 |
| 1986 | 88 |
| 1987 | 59 |
| 1988 | 79 |
| 1989 | 86 |
| 1990 | 75 |
| 1991 | 88 |
| 1992 | 113 |
| 1993 | 96 |
| 1994 | 88 |
| 1995 | 76 |
| 1996 | 121 |
| 1997 | 110 |
| 1998 | 85 |
| 1999 | 108 |
| 2000 | 87 |
| 2001 | 77 |
| 2002 | 112 |
| 2003 | 118 |
| 2004 | 114 |
| 2005 | 121 |
| 2006 | 142 |
| 2007 | 150 |
| 2008 | 132 |
| 2009 | 155 |
| 2010 | 159 |
| 2011 | 142 |
| 2012 | 174 |
| 2013 | 162 |
| 2014 | 188 |
| 2015 | 176 |
| 2016 | 141 |
| 2017 | 131 |
| 2018 | 143 |
| 2019 | 151 |
| 2020 | 180 |
| 2021 | 158 |
| 2022 | 128 |
| 2023 | 94 |
| 2024 | 23 |