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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 5 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 5 |
| 1964 | 8 |
| 1965 | 3 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1972 | 1 |
| 1974 | 7 |
| 1975 | 50 |
| 1976 | 59 |
| 1977 | 62 |
| 1978 | 71 |
| 1979 | 55 |
| 1980 | 65 |
| 1981 | 76 |
| 1982 | 102 |
| 1983 | 83 |
| 1984 | 106 |
| 1985 | 132 |
| 1986 | 105 |
| 1987 | 98 |
| 1988 | 178 |
| 1989 | 195 |
| 1990 | 260 |
| 1991 | 279 |
| 1992 | 306 |
| 1993 | 324 |
| 1994 | 333 |
| 1995 | 322 |
| 1996 | 398 |
| 1997 | 399 |
| 1998 | 446 |
| 1999 | 433 |
| 2000 | 485 |
| 2001 | 500 |
| 2002 | 619 |
| 2003 | 705 |
| 2004 | 777 |
| 2005 | 744 |
| 2006 | 728 |
| 2007 | 794 |
| 2008 | 798 |
| 2009 | 852 |
| 2010 | 976 |
| 2011 | 854 |
| 2012 | 837 |
| 2013 | 788 |
| 2014 | 560 |
| 2015 | 566 |
| 2016 | 475 |
| 2017 | 416 |
| 2018 | 456 |
| 2019 | 415 |
| 2020 | 392 |
| 2021 | 351 |
| 2022 | 324 |
| 2023 | 271 |
| 2024 | 74 |