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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1919 | 1 |
| 1920 | 2 |
| 1922 | 1 |
| 1925 | 1 |
| 1927 | 1 |
| 1931 | 1 |
| 1939 | 1 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 4 |
| 1947 | 11 |
| 1948 | 20 |
| 1949 | 19 |
| 1950 | 33 |
| 1951 | 47 |
| 1952 | 36 |
| 1953 | 58 |
| 1954 | 63 |
| 1955 | 68 |
| 1956 | 85 |
| 1957 | 114 |
| 1958 | 93 |
| 1959 | 121 |
| 1960 | 109 |
| 1961 | 164 |
| 1962 | 172 |
| 1963 | 342 |
| 1964 | 621 |
| 1965 | 426 |
| 1966 | 351 |
| 1967 | 450 |
| 1968 | 607 |
| 1969 | 544 |
| 1970 | 512 |
| 1971 | 571 |
| 1972 | 544 |
| 1973 | 523 |
| 1974 | 525 |
| 1975 | 369 |
| 1976 | 358 |
| 1977 | 338 |
| 1978 | 312 |
| 1979 | 338 |
| 1980 | 322 |
| 1981 | 289 |
| 1982 | 312 |
| 1983 | 324 |
| 1984 | 392 |
| 1985 | 371 |
| 1986 | 429 |
| 1987 | 390 |
| 1988 | 435 |
| 1989 | 538 |
| 1990 | 502 |
| 1991 | 590 |
| 1992 | 547 |
| 1993 | 480 |
| 1994 | 535 |
| 1995 | 530 |
| 1996 | 578 |
| 1997 | 646 |
| 1998 | 671 |
| 1999 | 601 |
| 2000 | 650 |
| 2001 | 719 |
| 2002 | 700 |
| 2003 | 723 |
| 2004 | 723 |
| 2005 | 877 |
| 2006 | 962 |
| 2007 | 998 |
| 2008 | 1136 |
| 2009 | 1105 |
| 2010 | 1175 |
| 2011 | 1301 |
| 2012 | 1331 |
| 2013 | 1453 |
| 2014 | 1506 |
| 2015 | 1518 |
| 2016 | 1510 |
| 2017 | 1454 |
| 2018 | 1460 |
| 2019 | 1437 |
| 2020 | 1703 |
| 2021 | 1463 |
| 2022 | 1272 |
| 2023 | 1090 |
| 2024 | 441 |