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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1959 | 5 |
| 1966 | 2 |
| 1967 | 7 |
| 1968 | 11 |
| 1969 | 16 |
| 1970 | 15 |
| 1971 | 28 |
| 1972 | 23 |
| 1973 | 26 |
| 1974 | 42 |
| 1975 | 91 |
| 1976 | 55 |
| 1977 | 117 |
| 1978 | 301 |
| 1979 | 339 |
| 1980 | 369 |
| 1981 | 267 |
| 1982 | 353 |
| 1983 | 318 |
| 1984 | 305 |
| 1985 | 347 |
| 1986 | 319 |
| 1987 | 367 |
| 1988 | 381 |
| 1989 | 471 |
| 1990 | 634 |
| 1991 | 655 |
| 1992 | 641 |
| 1993 | 626 |
| 1994 | 638 |
| 1995 | 738 |
| 1996 | 721 |
| 1997 | 771 |
| 1998 | 849 |
| 1999 | 938 |
| 2000 | 836 |
| 2001 | 1088 |
| 2002 | 1179 |
| 2003 | 1313 |
| 2004 | 1264 |
| 2005 | 1418 |
| 2006 | 1480 |
| 2007 | 1530 |
| 2008 | 1481 |
| 2009 | 1561 |
| 2010 | 1816 |
| 2011 | 1836 |
| 2012 | 1897 |
| 2013 | 2084 |
| 2014 | 1976 |
| 2015 | 2008 |
| 2016 | 2088 |
| 2017 | 2321 |
| 2018 | 2234 |
| 2019 | 2290 |
| 2020 | 2110 |
| 2021 | 994 |
| 2022 | 120 |
| 2023 | 30 |
| 2024 | 29 |