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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1881 | 1 |
| 1926 | 1 |
| 1929 | 3 |
| 1930 | 1 |
| 1933 | 1 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 4 |
| 1940 | 6 |
| 1941 | 2 |
| 1942 | 3 |
| 1943 | 3 |
| 1944 | 3 |
| 1945 | 1 |
| 1946 | 17 |
| 1947 | 29 |
| 1948 | 27 |
| 1949 | 20 |
| 1950 | 32 |
| 1951 | 43 |
| 1952 | 58 |
| 1953 | 48 |
| 1954 | 50 |
| 1955 | 36 |
| 1956 | 43 |
| 1957 | 38 |
| 1958 | 38 |
| 1959 | 37 |
| 1960 | 31 |
| 1961 | 39 |
| 1962 | 55 |
| 1963 | 61 |
| 1964 | 55 |
| 1965 | 85 |
| 1966 | 76 |
| 1967 | 76 |
| 1968 | 86 |
| 1969 | 101 |
| 1970 | 121 |
| 1971 | 90 |
| 1972 | 114 |
| 1973 | 118 |
| 1974 | 135 |
| 1975 | 148 |
| 1976 | 144 |
| 1977 | 142 |
| 1978 | 141 |
| 1979 | 142 |
| 1980 | 150 |
| 1981 | 160 |
| 1982 | 175 |
| 1983 | 175 |
| 1984 | 162 |
| 1985 | 207 |
| 1986 | 184 |
| 1987 | 256 |
| 1988 | 278 |
| 1989 | 288 |
| 1990 | 290 |
| 1991 | 296 |
| 1992 | 292 |
| 1993 | 296 |
| 1994 | 299 |
| 1995 | 340 |
| 1996 | 382 |
| 1997 | 396 |
| 1998 | 390 |
| 1999 | 443 |
| 2000 | 552 |
| 2001 | 619 |
| 2002 | 568 |
| 2003 | 626 |
| 2004 | 660 |
| 2005 | 756 |
| 2006 | 791 |
| 2007 | 814 |
| 2008 | 884 |
| 2009 | 949 |
| 2010 | 956 |
| 2011 | 1056 |
| 2012 | 1150 |
| 2013 | 1150 |
| 2014 | 1297 |
| 2015 | 1381 |
| 2016 | 1469 |
| 2017 | 1477 |
| 2018 | 1470 |
| 2019 | 1506 |
| 2020 | 1591 |
| 2021 | 1802 |
| 2022 | 1546 |
| 2023 | 1668 |
| 2024 | 573 |