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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 41 |
| 1949 | 77 |
| 1950 | 57 |
| 1951 | 94 |
| 1952 | 96 |
| 1953 | 123 |
| 1954 | 119 |
| 1955 | 121 |
| 1956 | 162 |
| 1957 | 193 |
| 1958 | 193 |
| 1959 | 199 |
| 1960 | 242 |
| 1961 | 233 |
| 1962 | 190 |
| 1963 | 255 |
| 1964 | 241 |
| 1965 | 177 |
| 1966 | 352 |
| 1967 | 375 |
| 1968 | 271 |
| 1969 | 349 |
| 1970 | 357 |
| 1971 | 358 |
| 1972 | 335 |
| 1973 | 335 |
| 1974 | 340 |
| 1975 | 402 |
| 1976 | 342 |
| 1977 | 332 |
| 1978 | 310 |
| 1979 | 388 |
| 1980 | 325 |
| 1981 | 454 |
| 1982 | 495 |
| 1983 | 534 |
| 1984 | 519 |
| 1985 | 578 |
| 1986 | 630 |
| 1987 | 709 |
| 1988 | 743 |
| 1989 | 768 |
| 1990 | 684 |
| 1991 | 703 |
| 1992 | 773 |
| 1993 | 817 |
| 1994 | 794 |
| 1995 | 606 |
| 1996 | 647 |
| 1997 | 554 |
| 1998 | 601 |
| 1999 | 597 |
| 2000 | 627 |
| 2001 | 672 |
| 2002 | 783 |
| 2003 | 811 |
| 2004 | 807 |
| 2005 | 847 |
| 2006 | 847 |
| 2007 | 809 |
| 2008 | 843 |
| 2009 | 709 |
| 2010 | 699 |
| 2011 | 671 |
| 2012 | 586 |
| 2013 | 535 |
| 2014 | 453 |
| 2015 | 462 |
| 2016 | 438 |
| 2017 | 501 |
| 2018 | 479 |
| 2019 | 424 |
| 2020 | 438 |
| 2021 | 430 |
| 2022 | 336 |
| 2023 | 353 |
| 2024 | 171 |