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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1875 | 1 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 5 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 13 |
| 1976 | 14 |
| 1977 | 19 |
| 1978 | 23 |
| 1979 | 12 |
| 1980 | 18 |
| 1981 | 20 |
| 1982 | 24 |
| 1983 | 24 |
| 1984 | 36 |
| 1985 | 34 |
| 1986 | 44 |
| 1987 | 496 |
| 1988 | 1190 |
| 1989 | 1197 |
| 1990 | 1322 |
| 1991 | 1321 |
| 1992 | 1383 |
| 1993 | 1309 |
| 1994 | 1332 |
| 1995 | 1298 |
| 1996 | 1267 |
| 1997 | 1271 |
| 1998 | 1254 |
| 1999 | 1235 |
| 2000 | 1263 |
| 2001 | 1347 |
| 2002 | 1287 |
| 2003 | 1416 |
| 2004 | 1586 |
| 2005 | 1596 |
| 2006 | 1311 |
| 2007 | 1311 |
| 2008 | 1411 |
| 2009 | 1462 |
| 2010 | 1598 |
| 2011 | 1726 |
| 2012 | 1707 |
| 2013 | 2015 |
| 2014 | 3093 |
| 2015 | 3613 |
| 2016 | 2965 |
| 2017 | 2417 |
| 2018 | 4239 |
| 2019 | 4476 |
| 2020 | 4844 |
| 2021 | 5323 |
| 2022 | 4974 |
| 2023 | 4156 |
| 2024 | 865 |