Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1897 | 1 |
| 1908 | 1 |
| 1913 | 1 |
| 1919 | 1 |
| 1929 | 1 |
| 1935 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 9 |
| 1948 | 5 |
| 1949 | 6 |
| 1950 | 2 |
| 1951 | 3 |
| 1952 | 3 |
| 1953 | 2 |
| 1954 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 5 |
| 1959 | 4 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 6 |
| 1963 | 3 |
| 1964 | 3 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 3 |
| 1968 | 8 |
| 1969 | 10 |
| 1970 | 12 |
| 1971 | 10 |
| 1972 | 17 |
| 1973 | 15 |
| 1974 | 21 |
| 1975 | 33 |
| 1976 | 26 |
| 1977 | 37 |
| 1978 | 36 |
| 1979 | 34 |
| 1980 | 32 |
| 1981 | 25 |
| 1982 | 39 |
| 1983 | 32 |
| 1984 | 44 |
| 1985 | 38 |
| 1986 | 65 |
| 1987 | 81 |
| 1988 | 60 |
| 1989 | 77 |
| 1990 | 63 |
| 1991 | 96 |
| 1992 | 98 |
| 1993 | 93 |
| 1994 | 142 |
| 1995 | 142 |
| 1996 | 150 |
| 1997 | 146 |
| 1998 | 193 |
| 1999 | 182 |
| 2000 | 185 |
| 2001 | 210 |
| 2002 | 230 |
| 2003 | 296 |
| 2004 | 339 |
| 2005 | 334 |
| 2006 | 369 |
| 2007 | 402 |
| 2008 | 438 |
| 2009 | 446 |
| 2010 | 535 |
| 2011 | 597 |
| 2012 | 665 |
| 2013 | 709 |
| 2014 | 718 |
| 2015 | 784 |
| 2016 | 870 |
| 2017 | 941 |
| 2018 | 1027 |
| 2019 | 1082 |
| 2020 | 1321 |
| 2021 | 1265 |