Beyond strictly looking at wins and losses, DVOA by Football Outsiders gives a clear picture of team performance.
The following Infographic shows the past 10 years of DVOA rankings (2008-2017) for the Dallas Cowboys.
The theme of the Cowboys since they won three Super Bowls in four seasons in the 1990s has been volatility. Over the past 10 seasons, they've peaked at 5th in DVOA in 2009, 6th in DVOA in 2014 and 2nd in DVOA in 2016.
Ten-Year DVOA Rankings: Arizona Cardinals, Atlanta Falcons, Baltimore Ravens, Buffalo Bills, Carolina Panthers, Chicago Bears, Cincinnati Bengals, Cleveland Browns, Denver Broncos, Detroit Lions, Green Bay Packers, Houston Texans, Indianapolis Colts, Jacksonville Jaguars, Kansas City Chiefs, Los Angeles Chargers, Los Angeles Rams, Miami Dolphins, Minnesota Vikings, New England Patriots, New Orleans Saints, New York Giants, New York Jets, Oakland Raiders, Philadelphia Eagles, Pittsburgh Steelers, San Francisco 49ers, Seattle Seahawks, Tampa Bay Buccaneers, Tennessee Titans, Washington Redskins