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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1922 | 1 |
| 1925 | 1 |
| 1926 | 2 |
| 1927 | 8 |
| 1928 | 12 |
| 1929 | 5 |
| 1930 | 1 |
| 1931 | 9 |
| 1932 | 12 |
| 1933 | 10 |
| 1934 | 9 |
| 1935 | 7 |
| 1936 | 8 |
| 1937 | 10 |
| 1938 | 5 |
| 1939 | 7 |
| 1940 | 3 |
| 1941 | 4 |
| 1942 | 3 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 21 |
| 1946 | 35 |
| 1947 | 38 |
| 1948 | 31 |
| 1949 | 27 |
| 1950 | 32 |
| 1951 | 50 |
| 1952 | 40 |
| 1953 | 40 |
| 1954 | 51 |
| 1955 | 49 |
| 1956 | 46 |
| 1957 | 54 |
| 1958 | 56 |
| 1959 | 46 |
| 1960 | 33 |
| 1961 | 53 |
| 1962 | 47 |
| 1963 | 55 |
| 1964 | 74 |
| 1965 | 60 |
| 1966 | 97 |
| 1967 | 78 |
| 1968 | 85 |
| 1969 | 116 |
| 1970 | 103 |
| 1971 | 103 |
| 1972 | 126 |
| 1973 | 144 |
| 1974 | 158 |
| 1975 | 145 |
| 1976 | 144 |
| 1977 | 191 |
| 1978 | 185 |
| 1979 | 196 |
| 1980 | 226 |
| 1981 | 225 |
| 1982 | 221 |
| 1983 | 208 |
| 1984 | 246 |
| 1985 | 242 |
| 1986 | 236 |
| 1987 | 204 |
| 1988 | 242 |
| 1989 | 209 |
| 1990 | 184 |
| 1991 | 185 |
| 1992 | 190 |
| 1993 | 188 |
| 1994 | 211 |
| 1995 | 247 |
| 1996 | 238 |
| 1997 | 251 |
| 1998 | 269 |
| 1999 | 319 |
| 2000 | 329 |
| 2001 | 333 |
| 2002 | 365 |
| 2003 | 419 |
| 2004 | 458 |
| 2005 | 544 |
| 2006 | 625 |
| 2007 | 749 |
| 2008 | 884 |
| 2009 | 996 |
| 2010 | 1409 |
| 2011 | 1707 |
| 2012 | 2006 |
| 2013 | 2189 |
| 2014 | 2332 |
| 2015 | 2490 |
| 2016 | 2445 |
| 2017 | 2616 |
| 2018 | 2571 |
| 2019 | 2636 |
| 2020 | 2928 |
| 2021 | 3007 |
| 2022 | 2840 |
| 2023 | 2519 |
| 2024 | 854 |