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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1956 | 1 |
| 1957 | 3 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 7 |
| 1962 | 2 |
| 1965 | 13 |
| 1966 | 26 |
| 1967 | 58 |
| 1968 | 78 |
| 1969 | 94 |
| 1970 | 76 |
| 1971 | 93 |
| 1972 | 99 |
| 1973 | 106 |
| 1974 | 129 |
| 1975 | 113 |
| 1976 | 175 |
| 1977 | 180 |
| 1978 | 181 |
| 1979 | 187 |
| 1980 | 209 |
| 1981 | 233 |
| 1982 | 246 |
| 1983 | 266 |
| 1984 | 321 |
| 1985 | 384 |
| 1986 | 339 |
| 1987 | 340 |
| 1988 | 340 |
| 1989 | 418 |
| 1990 | 336 |
| 1991 | 367 |
| 1992 | 375 |
| 1993 | 397 |
| 1994 | 508 |
| 1995 | 534 |
| 1996 | 513 |
| 1997 | 558 |
| 1998 | 579 |
| 1999 | 578 |
| 2000 | 655 |
| 2001 | 667 |
| 2002 | 706 |
| 2003 | 802 |
| 2004 | 750 |
| 2005 | 823 |
| 2006 | 839 |
| 2007 | 975 |
| 2008 | 1004 |
| 2009 | 1045 |
| 2010 | 1167 |
| 2011 | 1213 |
| 2012 | 1073 |
| 2013 | 1039 |
| 2014 | 1012 |
| 2015 | 1029 |
| 2016 | 911 |
| 2017 | 805 |
| 2018 | 896 |
| 2019 | 816 |
| 2020 | 698 |
| 2021 | 568 |
| 2022 | 640 |
| 2023 | 545 |
| 2024 | 258 |