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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1917 | 1 |
| 1918 | 1 |
| 1920 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1928 | 1 |
| 1932 | 3 |
| 1933 | 1 |
| 1934 | 2 |
| 1937 | 2 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 4 |
| 1944 | 4 |
| 1945 | 6 |
| 1946 | 18 |
| 1947 | 15 |
| 1948 | 20 |
| 1949 | 27 |
| 1950 | 29 |
| 1951 | 20 |
| 1952 | 36 |
| 1953 | 27 |
| 1954 | 37 |
| 1955 | 34 |
| 1956 | 33 |
| 1957 | 51 |
| 1958 | 31 |
| 1959 | 36 |
| 1960 | 38 |
| 1961 | 23 |
| 1962 | 39 |
| 1963 | 51 |
| 1964 | 62 |
| 1965 | 60 |
| 1966 | 60 |
| 1967 | 72 |
| 1968 | 72 |
| 1969 | 69 |
| 1970 | 65 |
| 1971 | 98 |
| 1972 | 99 |
| 1973 | 91 |
| 1974 | 90 |
| 1975 | 114 |
| 1976 | 99 |
| 1977 | 114 |
| 1978 | 119 |
| 1979 | 128 |
| 1980 | 114 |
| 1981 | 111 |
| 1982 | 160 |
| 1983 | 157 |
| 1984 | 171 |
| 1985 | 211 |
| 1986 | 208 |
| 1987 | 196 |
| 1988 | 212 |
| 1989 | 252 |
| 1990 | 243 |
| 1991 | 221 |
| 1992 | 246 |
| 1993 | 235 |
| 1994 | 232 |
| 1995 | 275 |
| 1996 | 253 |
| 1997 | 254 |
| 1998 | 276 |
| 1999 | 243 |
| 2000 | 280 |
| 2001 | 252 |
| 2002 | 290 |
| 2003 | 330 |
| 2004 | 340 |
| 2005 | 319 |
| 2006 | 363 |
| 2007 | 389 |
| 2008 | 387 |
| 2009 | 447 |
| 2010 | 474 |
| 2011 | 527 |
| 2012 | 514 |
| 2013 | 505 |
| 2014 | 541 |
| 2015 | 516 |
| 2016 | 525 |
| 2017 | 507 |
| 2018 | 488 |
| 2019 | 517 |
| 2020 | 575 |
| 2021 | 553 |
| 2022 | 529 |
| 2023 | 545 |
| 2024 | 575 |
| 2025 | 12 |