Detroit Tigers 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      6      2      0     43.9     569   726
 1990s:    10      0      0      9      1      0     45.2     702   852
 1980s:    10      0      2      7      1      0     53.6     839   727
 1970s:    10      0      0      9      1      0     49.0     789   820
 1960s:    10      0      2      8      0      0     54.7     882   729
 1950s:    10      0      1      7      2      0     47.9     738   802
 1940s:    10      0      0     10      0      0     54.2     834   705
 1930s:    10      0      2      7      1      0     53.3     818   716
 1920s:    10      0      0      9      1      0     49.4     760   778
 1910s:    10      0      1      9      0      0     52.9     790   704
 1900s:     7      0      2      5      0      0     53.3     557   488
Totals:   105      0     10     86      9      0     50.7    8278  8047


Playoff appearances per decade:

                   World   Yrs in   League    Div.
                  Series    World   Champ.   Champ.     In
          Yrs.     Wins    Series   Series   Series  Playoffs
 2000s:     8        0        1        1        1        1
 1990s:    10        0        0        0        0        0
 1980s:    10        1        1        2        0        2
 1970s:    10        0        0        1        0        1
 1960s:    10        1        1        0        0        1
 1950s:    10        0        0        0        0        0
 1940s:    10        1        2        0        0        2
 1930s:    10        1        2        0        0        2
 1920s:    10        0        0        0        0        0
 1910s:    10        0        0        0        0        0
 1900s:     7        0        3        0        0        3
Totals:   105        4       10        4        1       12