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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1952 | 1 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 5 |
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 21 |
| 1973 | 65 |
| 1974 | 69 |
| 1975 | 62 |
| 1976 | 61 |
| 1977 | 52 |
| 1978 | 57 |
| 1979 | 45 |
| 1980 | 62 |
| 1981 | 85 |
| 1982 | 86 |
| 1983 | 131 |
| 1984 | 143 |
| 1985 | 178 |
| 1986 | 166 |
| 1987 | 253 |
| 1988 | 298 |
| 1989 | 398 |
| 1990 | 426 |
| 1991 | 398 |
| 1992 | 486 |
| 1993 | 526 |
| 1994 | 529 |
| 1995 | 533 |
| 1996 | 578 |
| 1997 | 540 |
| 1998 | 603 |
| 1999 | 606 |
| 2000 | 656 |
| 2001 | 655 |
| 2002 | 664 |
| 2003 | 620 |
| 2004 | 635 |
| 2005 | 673 |
| 2006 | 620 |
| 2007 | 605 |
| 2008 | 626 |
| 2009 | 666 |
| 2010 | 660 |
| 2011 | 683 |
| 2012 | 732 |
| 2013 | 712 |
| 2014 | 710 |
| 2015 | 750 |
| 2016 | 749 |
| 2017 | 632 |
| 2018 | 629 |
| 2019 | 638 |
| 2020 | 649 |
| 2021 | 563 |
| 2022 | 358 |
| 2023 | 256 |
| 2024 | 134 |