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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 170 |
| 1949 | 164 |
| 1950 | 175 |
| 1951 | 193 |
| 1952 | 191 |
| 1953 | 155 |
| 1954 | 157 |
| 1955 | 200 |
| 1956 | 207 |
| 1957 | 230 |
| 1958 | 239 |
| 1959 | 240 |
| 1960 | 219 |
| 1961 | 202 |
| 1962 | 187 |
| 1963 | 233 |
| 1964 | 263 |
| 1965 | 248 |
| 1966 | 258 |
| 1967 | 290 |
| 1968 | 321 |
| 1969 | 393 |
| 1970 | 402 |
| 1971 | 424 |
| 1972 | 431 |
| 1973 | 428 |
| 1974 | 450 |
| 1975 | 447 |
| 1976 | 420 |
| 1977 | 495 |
| 1978 | 533 |
| 1979 | 448 |
| 1980 | 553 |
| 1981 | 458 |
| 1982 | 482 |
| 1983 | 460 |
| 1984 | 436 |
| 1985 | 472 |
| 1986 | 452 |
| 1987 | 435 |
| 1988 | 406 |
| 1989 | 475 |
| 1990 | 460 |
| 1991 | 455 |
| 1992 | 564 |
| 1993 | 523 |
| 1994 | 544 |
| 1995 | 497 |
| 1996 | 479 |
| 1997 | 513 |
| 1998 | 639 |
| 1999 | 688 |
| 2000 | 734 |
| 2001 | 757 |
| 2002 | 652 |
| 2003 | 778 |
| 2004 | 861 |
| 2005 | 839 |
| 2006 | 1204 |
| 2007 | 831 |
| 2008 | 901 |
| 2009 | 946 |
| 2010 | 827 |
| 2011 | 841 |
| 2012 | 848 |
| 2013 | 881 |
| 2014 | 933 |
| 2015 | 818 |
| 2016 | 885 |
| 2017 | 830 |
| 2018 | 788 |
| 2019 | 684 |
| 2020 | 866 |
| 2021 | 795 |
| 2022 | 696 |
| 2023 | 537 |
| 2024 | 690 |
| 2025 | 619 |