There haven't even been 5 Super Bowls since 2008.
No.
Four teams have a winning percentage of 1.000 Baltimore Ravens (2-0) New York Jets (1-0) Tampa Bay Buccaneers (1-0) New Orleans Saints (1-0) The Baltimore Ravens are the only team in the NFL to go to multiple Super Bowls and win all of them. The San Francisco 49ers had held this distinction since 1995 with 5 wins and no losses, until the Ravens defeated them in Super Bowl XLVII (2013).
One. The National Football League introduced the salary cap in 1994. The Cowboys' last Super Bowl-winning season was 1995-1996.
708
The Pittsburgh Steelers (6).
Have the Buffalo Bills won since 2000?
The last team to win two Super Bowls in a row was the New England Patriots in Super Bowls 38 and 39 (2003-2004 and 2004-2005 seasons).
As of February 8, 2011 there have been 45 Super Bowls including the most recent on February 6, 2011 where the Packers beat the Steelers.
Since 1970, the Bengals have a total record (regular season and playoffs) of 293-369 for a .440 winning percentage. This ties them for 26th with the Cleveland Browns. Only the Saints (.436 winning percentage), Cardinals (.411), Buccaneers (.403), Lions (.400), and Texans (.362) have a lower winning percentage.
Oklahoma
they havent won a super bowl since the 1983 season.the game was played in 1984.