Cincinnati Reds 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      0      0      8      0      0     46.2     599   697
 1990s:    10      0      0     10      0      0     52.1     809   745
 1980s:    10      0      1      8      1      0     49.9     781   783
 1970s:    10      0      6      4      0      0     59.2     953   657
 1960s:    10      0      2      8      0      0     53.7     860   742
 1950s:    10      0      0     10      0      0     48.1     741   798
 1940s:    10      0      1      8      1      0     49.9     767   769
 1930s:    10      0      1      3      6      0     43.4     664   866
 1920s:    10      0      0     10      0      0     52.1     798   735
 1910s:    10      0      1      7      2      0     47.9     717   779
 1900s:     7      0      0      7      0      0     49.3     521   535
Totals:   105      0     12     83     10      0     50.3    8210  8106


Playoff appearances per decade:

                   World   Yrs in   League    Div.
                  Series    World   Champ.   Champ.     In
          Yrs.     Wins    Series   Series   Series  Playoffs
 2000s:     8        0        0        0        0        0
 1990s:    10        1        1        2        1        2
 1980s:    10        0        0        0        0        0
 1970s:    10        2        4        6        0        6
 1960s:    10        0        1        0        0        1
 1950s:    10        0        0        0        0        0
 1940s:    10        1        1        0        0        1
 1930s:    10        0        1        0        0        1
 1920s:    10        0        0        0        0        0
 1910s:    10        1        1        0        0        1
 1900s:     7        0        0        0        0        0
Totals:   105        5        9        8        1       12