Detroit Lions : 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      1      1      1      2      0     53.0      44    39     1
 2010s:    10      0      2      4      4      0     45.3      72    87     1
 2000s:    10      0      0      2      3      5     26.2      42   118     0
 1990s:    10      0      3      3      4      0     49.4      79    81     0
 1980s:    10      0      0      6      4      0     40.5      61    90     1
 1970s:    10      0      2      7      0      1     46.9      66    75     3
 1960s:     4      0      1      1      2      0     44.6      22    28     6
Totals:    59      1      9     24     19      6     42.8     386   518    12


Playoff appearances per decade

                Super  Yrs in
                 Bowl   Super Conf.  Conf.  In
          Yrs.   Wins   Bowl  Finals Semis  Playoffs
 2020s:     5      0      0      1      2      2
 2010s:    10      0      0      0      0      3
 2000s:    10      0      0      0      0      0
 1990s:    10      0      0      1      1      6
 1980s:    10      0      0      0      1      2
 1970s:    10      0      0      0      1      1
 1960s:     4      0      0      0      0      0
Totals:    59      0      0      2      5     14