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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 1 |
| 1869 | 1 |
| 1916 | 1 |
| 1921 | 1 |
| 1930 | 1 |
| 1931 | 2 |
| 1933 | 2 |
| 1935 | 2 |
| 1938 | 1 |
| 1946 | 4 |
| 1947 | 8 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 4 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 6 |
| 1963 | 6 |
| 1964 | 6 |
| 1965 | 6 |
| 1966 | 8 |
| 1967 | 16 |
| 1968 | 16 |
| 1969 | 37 |
| 1970 | 39 |
| 1971 | 27 |
| 1972 | 24 |
| 1973 | 35 |
| 1974 | 30 |
| 1975 | 31 |
| 1976 | 34 |
| 1977 | 50 |
| 1978 | 32 |
| 1979 | 45 |
| 1980 | 38 |
| 1981 | 31 |
| 1982 | 36 |
| 1983 | 37 |
| 1984 | 38 |
| 1985 | 48 |
| 1986 | 60 |
| 1987 | 141 |
| 1988 | 240 |
| 1989 | 297 |
| 1990 | 312 |
| 1991 | 259 |
| 1992 | 305 |
| 1993 | 317 |
| 1994 | 353 |
| 1995 | 378 |
| 1996 | 489 |
| 1997 | 644 |
| 1998 | 618 |
| 1999 | 745 |
| 2000 | 789 |
| 2001 | 948 |
| 2002 | 920 |
| 2003 | 1040 |
| 2004 | 1208 |
| 2005 | 1276 |
| 2006 | 1346 |
| 2007 | 1345 |
| 2008 | 1406 |
| 2009 | 1480 |
| 2010 | 1632 |
| 2011 | 1744 |
| 2012 | 1685 |
| 2013 | 1785 |
| 2014 | 2226 |
| 2015 | 2488 |
| 2016 | 2629 |
| 2017 | 2893 |
| 2018 | 3045 |
| 2019 | 3356 |
| 2020 | 4285 |
| 2021 | 4279 |
| 2022 | 4615 |
| 2023 | 4314 |
| 2024 | 1892 |