Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1827 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1929 | 3 |
| 1945 | 1 |
| 1946 | 4 |
| 1947 | 5 |
| 1948 | 5 |
| 1949 | 5 |
| 1950 | 8 |
| 1951 | 5 |
| 1952 | 5 |
| 1953 | 11 |
| 1954 | 4 |
| 1955 | 17 |
| 1956 | 17 |
| 1957 | 15 |
| 1958 | 7 |
| 1959 | 7 |
| 1960 | 10 |
| 1961 | 16 |
| 1962 | 30 |
| 1963 | 28 |
| 1964 | 28 |
| 1965 | 25 |
| 1966 | 28 |
| 1967 | 22 |
| 1968 | 34 |
| 1969 | 40 |
| 1970 | 41 |
| 1971 | 39 |
| 1972 | 57 |
| 1973 | 54 |
| 1974 | 64 |
| 1975 | 69 |
| 1976 | 106 |
| 1977 | 90 |
| 1978 | 88 |
| 1979 | 96 |
| 1980 | 127 |
| 1981 | 102 |
| 1982 | 120 |
| 1983 | 110 |
| 1984 | 102 |
| 1985 | 114 |
| 1986 | 154 |
| 1987 | 195 |
| 1988 | 193 |
| 1989 | 212 |
| 1990 | 227 |
| 1991 | 288 |
| 1992 | 318 |
| 1993 | 301 |
| 1994 | 348 |
| 1995 | 384 |
| 1996 | 410 |
| 1997 | 426 |
| 1998 | 454 |
| 1999 | 519 |
| 2000 | 591 |
| 2001 | 658 |
| 2002 | 714 |
| 2003 | 866 |
| 2004 | 914 |
| 2005 | 1187 |
| 2006 | 1336 |
| 2007 | 1491 |
| 2008 | 1640 |
| 2009 | 1726 |
| 2010 | 2058 |
| 2011 | 2219 |
| 2012 | 2347 |
| 2013 | 2460 |
| 2014 | 2681 |
| 2015 | 2779 |
| 2016 | 2942 |
| 2017 | 2850 |
| 2018 | 2887 |
| 2019 | 3044 |
| 2020 | 3445 |
| 2021 | 3921 |
| 2022 | 393 |