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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 1 |
| 1906 | 1 |
| 1910 | 2 |
| 1914 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1921 | 2 |
| 1924 | 2 |
| 1925 | 2 |
| 1926 | 4 |
| 1927 | 2 |
| 1928 | 7 |
| 1929 | 8 |
| 1930 | 5 |
| 1931 | 4 |
| 1932 | 6 |
| 1933 | 8 |
| 1934 | 7 |
| 1935 | 2 |
| 1936 | 3 |
| 1937 | 5 |
| 1938 | 7 |
| 1939 | 6 |
| 1940 | 4 |
| 1941 | 6 |
| 1942 | 7 |
| 1943 | 7 |
| 1944 | 4 |
| 1945 | 15 |
| 1946 | 30 |
| 1947 | 29 |
| 1948 | 23 |
| 1949 | 20 |
| 1950 | 29 |
| 1951 | 15 |
| 1952 | 24 |
| 1953 | 31 |
| 1954 | 42 |
| 1955 | 32 |
| 1956 | 16 |
| 1957 | 24 |
| 1958 | 20 |
| 1959 | 30 |
| 1960 | 32 |
| 1961 | 48 |
| 1962 | 67 |
| 1963 | 81 |
| 1964 | 89 |
| 1965 | 150 |
| 1966 | 169 |
| 1967 | 167 |
| 1968 | 155 |
| 1969 | 206 |
| 1970 | 240 |
| 1971 | 281 |
| 1972 | 294 |
| 1973 | 276 |
| 1974 | 307 |
| 1975 | 307 |
| 1976 | 300 |
| 1977 | 357 |
| 1978 | 361 |
| 1979 | 402 |
| 1980 | 465 |
| 1981 | 418 |
| 1982 | 435 |
| 1983 | 488 |
| 1984 | 461 |
| 1985 | 435 |
| 1986 | 446 |
| 1987 | 541 |
| 1988 | 558 |
| 1989 | 626 |
| 1990 | 613 |
| 1991 | 668 |
| 1992 | 650 |
| 1993 | 703 |
| 1994 | 738 |
| 1995 | 774 |
| 1996 | 789 |
| 1997 | 813 |
| 1998 | 743 |
| 1999 | 817 |
| 2000 | 888 |
| 2001 | 927 |
| 2002 | 1004 |
| 2003 | 1083 |
| 2004 | 1138 |
| 2005 | 1293 |
| 2006 | 1449 |
| 2007 | 1577 |
| 2008 | 1736 |
| 2009 | 1863 |
| 2010 | 2093 |
| 2011 | 2428 |
| 2012 | 2660 |
| 2013 | 2826 |
| 2014 | 2835 |
| 2015 | 2900 |
| 2016 | 2937 |
| 2017 | 3060 |
| 2018 | 3189 |
| 2019 | 3551 |
| 2020 | 4337 |
| 2021 | 4788 |
| 2022 | 5009 |
| 2023 | 4942 |
| 2024 | 5186 |
| 2025 | 4323 |
| 2026 | 2 |