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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1839 | 1 |
| 1843 | 1 |
| 1863 | 1 |
| 1888 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1959 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 4 |
| 1976 | 9 |
| 1977 | 3 |
| 1978 | 6 |
| 1979 | 2 |
| 1980 | 8 |
| 1981 | 2 |
| 1982 | 7 |
| 1983 | 9 |
| 1984 | 8 |
| 1985 | 8 |
| 1986 | 5 |
| 1987 | 19 |
| 1988 | 40 |
| 1989 | 52 |
| 1990 | 55 |
| 1991 | 62 |
| 1992 | 58 |
| 1993 | 70 |
| 1994 | 95 |
| 1995 | 106 |
| 1996 | 90 |
| 1997 | 79 |
| 1998 | 113 |
| 1999 | 92 |
| 2000 | 107 |
| 2001 | 110 |
| 2002 | 202 |
| 2003 | 269 |
| 2004 | 145 |
| 2005 | 137 |
| 2006 | 167 |
| 2007 | 181 |
| 2008 | 223 |
| 2009 | 208 |
| 2010 | 232 |
| 2011 | 237 |
| 2012 | 288 |
| 2013 | 325 |
| 2014 | 526 |
| 2015 | 671 |
| 2016 | 844 |
| 2017 | 850 |
| 2018 | 941 |
| 2019 | 1070 |
| 2020 | 1136 |
| 2021 | 1364 |
| 2022 | 1296 |
| 2023 | 1296 |
| 2024 | 507 |