Dallas Cowboys : win % / playoff appearances per decade

The number of seasons with win % in the following ranges:
                                                    Decade
          Yrs.    80%+ 60-79% 40-59% 20-39% 0-19%    Ave.    Wins Losses
 2020s:     5      0      3      1      1      0     58.3      49    35     0
 2010s:    10      1      2      5      2      0     53.8      86    74     0
 2000s:    10      1      2      3      4      0     51.3      82    78     0
 1990s:    10      1      6      2      1      0     63.1     101    59     0
 1980s:    10      0      5      3      0      2     52.0      79    73     0
 1970s:    10      1      8      1      0      0     72.9     105    39     0
 1960s:     4      2      2      0      0      0     76.8      42    12     2
Totals:    59      6     28     15      8      2     59.5     544   370     2


Playoff appearances per decade

                Super  Yrs in
                 Bowl   Super Conf.  Conf.  In
          Yrs.   Wins   Bowl  Finals Semis  Playoffs
 2020s:     5      0      0      0      1      3
 2010s:    10      0      0      0      3      3
 2000s:    10      0      0      0      2      4
 1990s:    10      3      3      4      6      8
 1980s:    10      0      0      3      4      5
 1970s:    10      2      5      7      9      9
 1960s:     4      0      0      2      4      4
Totals:    59      5      8     16     29     36