Kansas City Chiefs win percentages 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
 2000s:     8      1      1      4      2      0     50.0      64    64     0
 1990s:    10      2      4      4      0      0     63.1     101    59     0
 1980s:    10      0      1      4      5      0     44.1      66    84     2
 1970s:    10      0      1      4      4      1     43.4      60    79     5
 1960s:     4      2      2      0      0      0     77.7      43    12     1
Totals:    42      5      9     16     11      1     52.8     334   298     8


Playoff appearances per decade

                Super  Yrs in
                 Bowl   Super Conf.  Conf.  In
          Yrs.   Wins   Bowl  Finals Semis  Playoffs
 2000s:     8      0      0      0      1      2
 1990s:    10      0      0      1      4      7
 1980s:    10      0      0      0      0      1
 1970s:    10      0      0      0      1      1
 1960s:     4      1      2      2      3      3
Totals:    42      1      2      3      9     14