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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1951 | 20 |
| 1952 | 53 |
| 1953 | 87 |
| 1954 | 77 |
| 1955 | 47 |
| 1956 | 46 |
| 1957 | 48 |
| 1958 | 53 |
| 1959 | 23 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 54 |
| 1966 | 99 |
| 1967 | 116 |
| 1968 | 90 |
| 1969 | 73 |
| 1970 | 106 |
| 1971 | 86 |
| 1972 | 92 |
| 1973 | 134 |
| 1974 | 105 |
| 1975 | 106 |
| 1976 | 101 |
| 1977 | 120 |
| 1978 | 152 |
| 1979 | 156 |
| 1980 | 146 |
| 1981 | 171 |
| 1982 | 205 |
| 1983 | 205 |
| 1984 | 182 |
| 1985 | 171 |
| 1986 | 190 |
| 1987 | 211 |
| 1988 | 210 |
| 1989 | 235 |
| 1990 | 251 |
| 1991 | 223 |
| 1992 | 239 |
| 1993 | 291 |
| 1994 | 338 |
| 1995 | 361 |
| 1996 | 424 |
| 1997 | 494 |
| 1998 | 448 |
| 1999 | 468 |
| 2000 | 400 |
| 2001 | 432 |
| 2002 | 468 |
| 2003 | 474 |
| 2004 | 488 |
| 2005 | 477 |
| 2006 | 501 |
| 2007 | 536 |
| 2008 | 555 |
| 2009 | 486 |
| 2010 | 528 |
| 2011 | 561 |
| 2012 | 645 |
| 2013 | 661 |
| 2014 | 676 |
| 2015 | 688 |
| 2016 | 631 |
| 2017 | 611 |
| 2018 | 707 |
| 2019 | 653 |
| 2020 | 564 |
| 2021 | 340 |
| 2022 | 182 |
| 2023 | 147 |
| 2024 | 60 |