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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1918 | 2 |
| 1919 | 1 |
| 1920 | 2 |
| 1925 | 1 |
| 1926 | 2 |
| 1927 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1932 | 1 |
| 1934 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1946 | 3 |
| 1947 | 7 |
| 1948 | 2 |
| 1949 | 11 |
| 1950 | 9 |
| 1951 | 9 |
| 1952 | 9 |
| 1953 | 9 |
| 1954 | 10 |
| 1955 | 15 |
| 1956 | 6 |
| 1957 | 12 |
| 1958 | 4 |
| 1959 | 5 |
| 1960 | 13 |
| 1961 | 22 |
| 1962 | 9 |
| 1963 | 15 |
| 1964 | 18 |
| 1965 | 11 |
| 1966 | 14 |
| 1967 | 23 |
| 1968 | 25 |
| 1969 | 13 |
| 1970 | 14 |
| 1971 | 22 |
| 1972 | 22 |
| 1973 | 21 |
| 1974 | 28 |
| 1975 | 39 |
| 1976 | 32 |
| 1977 | 35 |
| 1978 | 25 |
| 1979 | 34 |
| 1980 | 40 |
| 1981 | 42 |
| 1982 | 45 |
| 1983 | 34 |
| 1984 | 56 |
| 1985 | 60 |
| 1986 | 66 |
| 1987 | 71 |
| 1988 | 56 |
| 1989 | 74 |
| 1990 | 64 |
| 1991 | 71 |
| 1992 | 77 |
| 1993 | 91 |
| 1994 | 77 |
| 1995 | 85 |
| 1996 | 91 |
| 1997 | 90 |
| 1998 | 68 |
| 1999 | 78 |
| 2000 | 93 |
| 2001 | 88 |
| 2002 | 82 |
| 2003 | 96 |
| 2004 | 112 |
| 2005 | 122 |
| 2006 | 137 |
| 2007 | 131 |
| 2008 | 143 |
| 2009 | 127 |
| 2010 | 168 |
| 2011 | 187 |
| 2012 | 191 |
| 2013 | 216 |
| 2014 | 238 |
| 2015 | 238 |
| 2016 | 233 |
| 2017 | 247 |
| 2018 | 234 |
| 2019 | 231 |
| 2020 | 231 |
| 2021 | 225 |
| 2022 | 207 |
| 2023 | 216 |
| 2024 | 211 |
| 2025 | 205 |
| 2026 | 1 |