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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 2 |
| 1951 | 14 |
| 1952 | 29 |
| 1953 | 33 |
| 1954 | 48 |
| 1955 | 48 |
| 1956 | 44 |
| 1957 | 82 |
| 1958 | 78 |
| 1959 | 76 |
| 1960 | 78 |
| 1961 | 76 |
| 1962 | 51 |
| 1964 | 4 |
| 1965 | 50 |
| 1966 | 141 |
| 1967 | 184 |
| 1968 | 218 |
| 1969 | 222 |
| 1970 | 239 |
| 1971 | 245 |
| 1972 | 279 |
| 1973 | 331 |
| 1974 | 330 |
| 1975 | 303 |
| 1976 | 293 |
| 1977 | 296 |
| 1978 | 327 |
| 1979 | 380 |
| 1980 | 400 |
| 1981 | 451 |
| 1982 | 430 |
| 1983 | 436 |
| 1984 | 454 |
| 1985 | 468 |
| 1986 | 451 |
| 1987 | 470 |
| 1988 | 452 |
| 1989 | 463 |
| 1990 | 403 |
| 1991 | 372 |
| 1992 | 404 |
| 1993 | 414 |
| 1994 | 427 |
| 1995 | 399 |
| 1996 | 397 |
| 1997 | 357 |
| 1998 | 348 |
| 1999 | 352 |
| 2000 | 321 |
| 2001 | 304 |
| 2002 | 321 |
| 2003 | 389 |
| 2004 | 414 |
| 2005 | 521 |
| 2006 | 590 |
| 2007 | 560 |
| 2008 | 560 |
| 2009 | 535 |
| 2010 | 634 |
| 2011 | 718 |
| 2012 | 713 |
| 2013 | 799 |
| 2014 | 771 |
| 2015 | 789 |
| 2016 | 691 |
| 2017 | 659 |
| 2018 | 717 |
| 2019 | 758 |
| 2020 | 695 |
| 2021 | 536 |
| 2022 | 586 |
| 2023 | 478 |
| 2024 | 333 |