Kansas City Royals : 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:     6      0      0      5      1      0     44.7     389   481
 2010s:    10      0      0      8      2      0     46.8     758   862
 2000s:    10      0      0      6      4      0     41.5     672   948
 1990s:    10      0      0      9      1      0     46.7     725   827
 1980s:    10      0      0     10      0      0     52.9     826   734
 1970s:    10      0      1      9      0      0     52.8     851   760
 1960s:     1      0      0      1      0      0     42.6      69    93
Totals:    57      0      1     48      8      0     47.7    4290  4705


Playoff appearances per decade:

                   World   Yrs in   League    Div.
                  Series    World   Champ.   Champ.     In
          Yrs.     Wins    Series   Series   Series  Playoffs
 2020s:     6        0        0        0        1        1
 2010s:    10        1        2        2        2        2
 2000s:    10        0        0        0        0        0
 1990s:    10        0        0        0        0        0
 1980s:    10        1        2        3        1        4
 1970s:    10        0        0        3        0        3
 1960s:     1        0        0        0        0        0
Totals:    57        2        4        8        4       10