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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1870 | 1 |
| 1910 | 1 |
| 1949 | 1 |
| 1951 | 2 |
| 1954 | 1 |
| 1970 | 2 |
| 1972 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 1 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 6 |
| 1993 | 5 |
| 1994 | 31 |
| 1995 | 75 |
| 1996 | 114 |
| 1997 | 148 |
| 1998 | 107 |
| 1999 | 121 |
| 2000 | 174 |
| 2001 | 200 |
| 2002 | 235 |
| 2003 | 263 |
| 2004 | 287 |
| 2005 | 287 |
| 2006 | 288 |
| 2007 | 401 |
| 2008 | 416 |
| 2009 | 428 |
| 2010 | 455 |
| 2011 | 498 |
| 2012 | 571 |
| 2013 | 628 |
| 2014 | 958 |
| 2015 | 1165 |
| 2016 | 1246 |
| 2017 | 1387 |
| 2018 | 1627 |
| 2019 | 1932 |
| 2020 | 2410 |
| 2021 | 2860 |
| 2022 | 3232 |
| 2023 | 3030 |
| 2024 | 1222 |