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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1953 | 2 |
| 1954 | 19 |
| 1955 | 23 |
| 1956 | 22 |
| 1957 | 9 |
| 1958 | 8 |
| 1959 | 13 |
| 1960 | 5 |
| 1961 | 6 |
| 1962 | 12 |
| 1967 | 3 |
| 1973 | 3 |
| 1974 | 6 |
| 1975 | 2 |
| 1976 | 6 |
| 1977 | 51 |
| 1978 | 142 |
| 1979 | 198 |
| 1980 | 191 |
| 1981 | 201 |
| 1982 | 263 |
| 1983 | 277 |
| 1984 | 365 |
| 1985 | 324 |
| 1986 | 307 |
| 1987 | 296 |
| 1988 | 276 |
| 1989 | 339 |
| 1990 | 351 |
| 1991 | 411 |
| 1992 | 349 |
| 1993 | 355 |
| 1994 | 422 |
| 1995 | 357 |
| 1996 | 421 |
| 1997 | 453 |
| 1998 | 487 |
| 1999 | 578 |
| 2000 | 610 |
| 2001 | 620 |
| 2002 | 607 |
| 2003 | 715 |
| 2004 | 869 |
| 2005 | 973 |
| 2006 | 1078 |
| 2007 | 1216 |
| 2008 | 1366 |
| 2009 | 1355 |
| 2010 | 1492 |
| 2011 | 1517 |
| 2012 | 1571 |
| 2013 | 1602 |
| 2014 | 1687 |
| 2015 | 1719 |
| 2016 | 1716 |
| 2017 | 1714 |
| 2018 | 1775 |
| 2019 | 1590 |
| 2020 | 1153 |
| 2021 | 612 |
| 2022 | 493 |
| 2023 | 452 |
| 2024 | 198 |