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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 21 |
| 1949 | 2 |
| 1951 | 24 |
| 1952 | 62 |
| 1953 | 80 |
| 1954 | 76 |
| 1955 | 83 |
| 1956 | 87 |
| 1957 | 78 |
| 1958 | 71 |
| 1959 | 79 |
| 1960 | 99 |
| 1961 | 83 |
| 1962 | 67 |
| 1963 | 4 |
| 1964 | 27 |
| 1965 | 201 |
| 1966 | 368 |
| 1967 | 450 |
| 1968 | 465 |
| 1969 | 555 |
| 1970 | 536 |
| 1971 | 593 |
| 1972 | 591 |
| 1973 | 602 |
| 1974 | 630 |
| 1975 | 532 |
| 1976 | 497 |
| 1977 | 533 |
| 1978 | 482 |
| 1979 | 429 |
| 1980 | 446 |
| 1981 | 401 |
| 1982 | 440 |
| 1983 | 466 |
| 1984 | 493 |
| 1985 | 448 |
| 1986 | 524 |
| 1987 | 493 |
| 1988 | 549 |
| 1989 | 576 |
| 1990 | 610 |
| 1991 | 639 |
| 1992 | 697 |
| 1993 | 710 |
| 1994 | 674 |
| 1995 | 673 |
| 1996 | 671 |
| 1997 | 668 |
| 1998 | 606 |
| 1999 | 598 |
| 2000 | 663 |
| 2001 | 618 |
| 2002 | 545 |
| 2003 | 498 |
| 2004 | 485 |
| 2005 | 457 |
| 2006 | 494 |
| 2007 | 472 |
| 2008 | 407 |
| 2009 | 402 |
| 2010 | 344 |
| 2011 | 347 |
| 2012 | 298 |
| 2013 | 323 |
| 2014 | 266 |
| 2015 | 217 |
| 2016 | 226 |
| 2017 | 212 |
| 2018 | 185 |
| 2019 | 128 |
| 2020 | 132 |
| 2021 | 102 |
| 2022 | 112 |
| 2023 | 87 |
| 2024 | 41 |