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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1960 | 1 |
| 1964 | 11 |
| 1965 | 133 |
| 1966 | 266 |
| 1967 | 338 |
| 1968 | 427 |
| 1969 | 437 |
| 1970 | 510 |
| 1971 | 722 |
| 1972 | 981 |
| 1973 | 1149 |
| 1974 | 1180 |
| 1975 | 1055 |
| 1976 | 615 |
| 1977 | 585 |
| 1978 | 648 |
| 1979 | 677 |
| 1980 | 764 |
| 1981 | 705 |
| 1982 | 863 |
| 1983 | 990 |
| 1984 | 983 |
| 1985 | 1072 |
| 1986 | 855 |
| 1987 | 869 |
| 1988 | 991 |
| 1989 | 902 |
| 1990 | 1104 |
| 1991 | 973 |
| 1992 | 980 |
| 1993 | 1107 |
| 1994 | 1309 |
| 1995 | 1302 |
| 1996 | 1305 |
| 1997 | 1230 |
| 1998 | 1144 |
| 1999 | 1101 |
| 2000 | 1320 |
| 2001 | 1256 |
| 2002 | 1254 |
| 2003 | 1330 |
| 2004 | 1269 |
| 2005 | 1377 |
| 2006 | 1363 |
| 2007 | 1223 |
| 2008 | 1123 |
| 2009 | 1130 |
| 2010 | 1150 |
| 2011 | 1041 |
| 2012 | 1000 |
| 2013 | 926 |
| 2014 | 915 |
| 2015 | 887 |
| 2016 | 726 |
| 2017 | 666 |
| 2018 | 619 |
| 2019 | 498 |
| 2020 | 445 |
| 2021 | 364 |
| 2022 | 62 |
| 2023 | 21 |
| 2024 | 22 |