Toronto Blue Jays : 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:     7      0      0      7      0      0     53.4     551   481
 2010s:    10      0      0     10      0      0     49.0     794   826
 2000s:    10      0      0     10      0      0     49.7     805   814
 1990s:    10      0      0      9      1      0     51.5     801   754
 1980s:    10      0      1      8      1      0     52.3     817   746
 1970s:     3      0      0      0      3      0     34.3     166   318
Totals:    50      0      1     44      5      0     50.0    3934  3939


Playoff appearances per decade:

                   World   Yrs in   League    Div.
                  Series    World   Champ.   Champ.     In
          Yrs.     Wins    Series   Series   Series  Playoffs
 2020s:     7        0        1        1        1        4
 2010s:    10        0        0        2        2        2
 2000s:    10        0        0        0        0        0
 1990s:    10        2        2        3        0        3
 1980s:    10        0        0        2        0        2
 1970s:     3        0        0        0        0        0
Totals:    50        2        3        8        3       11