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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1959 | 2 |
| 1960 | 7 |
| 1961 | 3 |
| 1962 | 3 |
| 1969 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1982 | 1 |
| 1988 | 2 |
| 1989 | 3 |
| 1990 | 8 |
| 1991 | 21 |
| 1992 | 42 |
| 1993 | 61 |
| 1994 | 56 |
| 1995 | 49 |
| 1996 | 47 |
| 1997 | 61 |
| 1998 | 83 |
| 1999 | 55 |
| 2000 | 70 |
| 2001 | 101 |
| 2002 | 79 |
| 2003 | 135 |
| 2004 | 159 |
| 2005 | 168 |
| 2006 | 167 |
| 2007 | 161 |
| 2008 | 160 |
| 2009 | 210 |
| 2010 | 284 |
| 2011 | 221 |
| 2012 | 344 |
| 2013 | 324 |
| 2014 | 294 |
| 2015 | 228 |
| 2016 | 198 |
| 2017 | 171 |
| 2018 | 173 |
| 2019 | 156 |
| 2020 | 119 |
| 2021 | 56 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 0 |