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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1872 | 1 |
| 1915 | 4 |
| 1926 | 1 |
| 1938 | 1 |
| 1941 | 2 |
| 1944 | 1 |
| 1946 | 3 |
| 1947 | 2 |
| 1948 | 4 |
| 1949 | 5 |
| 1950 | 3 |
| 1951 | 5 |
| 1952 | 5 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 10 |
| 1956 | 11 |
| 1957 | 11 |
| 1958 | 8 |
| 1959 | 11 |
| 1960 | 16 |
| 1961 | 4 |
| 1962 | 12 |
| 1963 | 14 |
| 1964 | 19 |
| 1965 | 16 |
| 1966 | 28 |
| 1967 | 20 |
| 1968 | 36 |
| 1969 | 33 |
| 1970 | 45 |
| 1971 | 44 |
| 1972 | 48 |
| 1973 | 49 |
| 1974 | 50 |
| 1975 | 58 |
| 1976 | 55 |
| 1977 | 69 |
| 1978 | 57 |
| 1979 | 76 |
| 1980 | 64 |
| 1981 | 85 |
| 1982 | 129 |
| 1983 | 106 |
| 1984 | 117 |
| 1985 | 124 |
| 1986 | 147 |
| 1987 | 128 |
| 1988 | 142 |
| 1989 | 140 |
| 1990 | 143 |
| 1991 | 149 |
| 1992 | 168 |
| 1993 | 185 |
| 1994 | 150 |
| 1995 | 165 |
| 1996 | 152 |
| 1997 | 146 |
| 1998 | 144 |
| 1999 | 183 |
| 2000 | 181 |
| 2001 | 195 |
| 2002 | 208 |
| 2003 | 231 |
| 2004 | 248 |
| 2005 | 244 |
| 2006 | 252 |
| 2007 | 219 |
| 2008 | 282 |
| 2009 | 277 |
| 2010 | 292 |
| 2011 | 303 |
| 2012 | 323 |
| 2013 | 351 |
| 2014 | 354 |
| 2015 | 392 |
| 2016 | 346 |
| 2017 | 401 |
| 2018 | 460 |
| 2019 | 427 |
| 2020 | 485 |
| 2021 | 446 |
| 2022 | 426 |
| 2023 | 389 |
| 2024 | 142 |