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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1964 | 3 |
| 1965 | 1 |
| 1973 | 1 |
| 1974 | 7 |
| 1975 | 40 |
| 1976 | 67 |
| 1977 | 90 |
| 1978 | 55 |
| 1979 | 88 |
| 1980 | 82 |
| 1981 | 72 |
| 1982 | 92 |
| 1983 | 107 |
| 1984 | 93 |
| 1985 | 68 |
| 1986 | 72 |
| 1987 | 54 |
| 1988 | 50 |
| 1989 | 46 |
| 1990 | 36 |
| 1991 | 43 |
| 1992 | 50 |
| 1993 | 66 |
| 1994 | 74 |
| 1995 | 66 |
| 1996 | 76 |
| 1997 | 77 |
| 1998 | 65 |
| 1999 | 109 |
| 2000 | 113 |
| 2001 | 137 |
| 2002 | 143 |
| 2003 | 166 |
| 2004 | 165 |
| 2005 | 162 |
| 2006 | 153 |
| 2007 | 203 |
| 2008 | 193 |
| 2009 | 178 |
| 2010 | 204 |
| 2011 | 236 |
| 2012 | 210 |
| 2013 | 182 |
| 2014 | 196 |
| 2015 | 211 |
| 2016 | 166 |
| 2017 | 142 |
| 2018 | 144 |
| 2019 | 123 |
| 2020 | 141 |
| 2021 | 123 |
| 2022 | 80 |
| 2023 | 38 |
| 2024 | 68 |