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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1860 | 1 |
| 1868 | 1 |
| 1871 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1884 | 1 |
| 1899 | 1 |
| 1923 | 2 |
| 1927 | 1 |
| 1932 | 2 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 3 |
| 1939 | 3 |
| 1940 | 4 |
| 1941 | 3 |
| 1942 | 1 |
| 1944 | 2 |
| 1945 | 7 |
| 1946 | 18 |
| 1947 | 12 |
| 1948 | 24 |
| 1949 | 22 |
| 1950 | 34 |
| 1951 | 41 |
| 1952 | 36 |
| 1953 | 33 |
| 1954 | 29 |
| 1955 | 37 |
| 1956 | 34 |
| 1957 | 46 |
| 1958 | 49 |
| 1959 | 41 |
| 1960 | 49 |
| 1961 | 48 |
| 1962 | 58 |
| 1963 | 59 |
| 1964 | 46 |
| 1965 | 82 |
| 1966 | 55 |
| 1967 | 91 |
| 1968 | 98 |
| 1969 | 97 |
| 1970 | 79 |
| 1971 | 101 |
| 1972 | 120 |
| 1973 | 93 |
| 1974 | 119 |
| 1975 | 116 |
| 1976 | 109 |
| 1977 | 130 |
| 1978 | 160 |
| 1979 | 154 |
| 1980 | 158 |
| 1981 | 148 |
| 1982 | 147 |
| 1983 | 121 |
| 1984 | 157 |
| 1985 | 142 |
| 1986 | 194 |
| 1987 | 195 |
| 1988 | 203 |
| 1989 | 208 |
| 1990 | 182 |
| 1991 | 198 |
| 1992 | 203 |
| 1993 | 201 |
| 1994 | 232 |
| 1995 | 243 |
| 1996 | 274 |
| 1997 | 275 |
| 1998 | 306 |
| 1999 | 295 |
| 2000 | 319 |
| 2001 | 363 |
| 2002 | 326 |
| 2003 | 360 |
| 2004 | 394 |
| 2005 | 445 |
| 2006 | 491 |
| 2007 | 481 |
| 2008 | 489 |
| 2009 | 550 |
| 2010 | 664 |
| 2011 | 687 |
| 2012 | 673 |
| 2013 | 794 |
| 2014 | 885 |
| 2015 | 902 |
| 2016 | 943 |
| 2017 | 947 |
| 2018 | 945 |
| 2019 | 1053 |
| 2020 | 1106 |
| 2021 | 1270 |
| 2022 | 1239 |
| 2023 | 1183 |
| 2024 | 1131 |
| 2025 | 1202 |
| 2026 | 442 |