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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1801 | 1 |
| 1806 | 3 |
| 1839 | 1 |
| 1840 | 2 |
| 1852 | 4 |
| 1853 | 2 |
| 1854 | 1 |
| 1874 | 1 |
| 1921 | 1 |
| 1929 | 3 |
| 1930 | 1 |
| 1933 | 1 |
| 1940 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 3 |
| 1948 | 21 |
| 1949 | 2 |
| 1950 | 4 |
| 1951 | 1 |
| 1952 | 14 |
| 1953 | 8 |
| 1954 | 6 |
| 1955 | 4 |
| 1956 | 13 |
| 1957 | 2 |
| 1958 | 15 |
| 1959 | 9 |
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 1 |
| 1963 | 15 |
| 1964 | 3 |
| 1965 | 7 |
| 1966 | 4 |
| 1967 | 4 |
| 1968 | 4 |
| 1969 | 6 |
| 1970 | 14 |
| 1971 | 5 |
| 1972 | 6 |
| 1973 | 6 |
| 1974 | 5 |
| 1975 | 7 |
| 1976 | 6 |
| 1977 | 6 |
| 1978 | 10 |
| 1979 | 10 |
| 1980 | 10 |
| 1981 | 6 |
| 1982 | 20 |
| 1983 | 19 |
| 1984 | 17 |
| 1985 | 24 |
| 1986 | 17 |
| 1987 | 211 |
| 1988 | 413 |
| 1989 | 429 |
| 1990 | 501 |
| 1991 | 502 |
| 1992 | 578 |
| 1993 | 581 |
| 1994 | 600 |
| 1995 | 644 |
| 1996 | 651 |
| 1997 | 691 |
| 1998 | 784 |
| 1999 | 737 |
| 2000 | 841 |
| 2001 | 842 |
| 2002 | 888 |
| 2003 | 982 |
| 2004 | 1032 |
| 2005 | 1115 |
| 2006 | 1158 |
| 2007 | 1249 |
| 2008 | 1345 |
| 2009 | 1380 |
| 2010 | 1428 |
| 2011 | 1494 |
| 2012 | 1587 |
| 2013 | 1895 |
| 2014 | 2878 |
| 2015 | 3443 |
| 2016 | 3947 |
| 2017 | 4144 |
| 2018 | 4303 |
| 2019 | 4641 |
| 2020 | 5528 |
| 2021 | 5794 |
| 2022 | 5365 |
| 2023 | 5137 |
| 2024 | 5148 |
| 2025 | 4687 |
| 2026 | 8 |