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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1892 | 1 |
| 1948 | 2 |
| 1951 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 3 |
| 1960 | 1 |
| 1961 | 1 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 4 |
| 1967 | 4 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 8 |
| 1971 | 6 |
| 1972 | 8 |
| 1973 | 2 |
| 1974 | 6 |
| 1975 | 10 |
| 1976 | 12 |
| 1977 | 7 |
| 1978 | 10 |
| 1979 | 12 |
| 1980 | 21 |
| 1981 | 21 |
| 1982 | 15 |
| 1983 | 23 |
| 1984 | 30 |
| 1985 | 21 |
| 1986 | 33 |
| 1987 | 50 |
| 1988 | 37 |
| 1989 | 44 |
| 1990 | 49 |
| 1991 | 43 |
| 1992 | 33 |
| 1993 | 55 |
| 1994 | 48 |
| 1995 | 58 |
| 1996 | 79 |
| 1997 | 50 |
| 1998 | 47 |
| 1999 | 57 |
| 2000 | 60 |
| 2001 | 68 |
| 2002 | 96 |
| 2003 | 87 |
| 2004 | 132 |
| 2005 | 144 |
| 2006 | 159 |
| 2007 | 200 |
| 2008 | 258 |
| 2009 | 298 |
| 2010 | 340 |
| 2011 | 387 |
| 2012 | 428 |
| 2013 | 547 |
| 2014 | 603 |
| 2015 | 690 |
| 2016 | 736 |
| 2017 | 913 |
| 2018 | 971 |
| 2019 | 1127 |
| 2020 | 1453 |
| 2021 | 1860 |
| 2022 | 2115 |
| 2023 | 2016 |
| 2024 | 2069 |
| 2025 | 13 |