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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1890 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 3 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 5 |
| 1972 | 2 |
| 1973 | 3 |
| 1974 | 2 |
| 1975 | 6 |
| 1976 | 8 |
| 1977 | 13 |
| 1978 | 26 |
| 1979 | 53 |
| 1980 | 81 |
| 1981 | 125 |
| 1982 | 100 |
| 1983 | 141 |
| 1984 | 121 |
| 1985 | 139 |
| 1986 | 99 |
| 1987 | 127 |
| 1988 | 162 |
| 1989 | 187 |
| 1990 | 263 |
| 1991 | 265 |
| 1992 | 247 |
| 1993 | 185 |
| 1994 | 135 |
| 1995 | 101 |
| 1996 | 96 |
| 1997 | 103 |
| 1998 | 67 |
| 1999 | 97 |
| 2000 | 70 |
| 2001 | 67 |
| 2002 | 72 |
| 2003 | 41 |
| 2004 | 54 |
| 2005 | 55 |
| 2006 | 51 |
| 2007 | 76 |
| 2008 | 70 |
| 2009 | 71 |
| 2010 | 105 |
| 2011 | 91 |
| 2012 | 107 |
| 2013 | 102 |
| 2014 | 114 |
| 2015 | 145 |
| 2016 | 134 |
| 2017 | 169 |
| 2018 | 174 |
| 2019 | 174 |
| 2020 | 163 |
| 2021 | 131 |
| 2022 | 146 |
| 2023 | 129 |
| 2024 | 47 |