Atlanta Braves : 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      2      4      0      0     56.7     493   376
 2010s:    10      0      0     10      0      0     52.1     843   776
 2000s:    10      0      2      8      0      0     55.1     892   726
 1990s:    10      0      6      4      0      0     59.5     925   629
 1980s:    10      0      0      8      2      0     45.7     712   845
 1970s:    10      0      0      9      1      0     45.1     725   883
 1960s:    10      0      0     10      0      0     53.1     851   753
 1950s:    10      0      1      9      0      0     55.4     854   687
 1940s:    10      0      0      9      1      0     47.1     719   808
 1930s:    10      0      0      9      1      0     45.8     700   829
 1920s:    10      0      0      4      6      0     39.4     603   928
 1910s:    10      0      1      6      3      0     45.0     666   815
 1900s:     7      0      0      2      5      0     36.1     379   672
Totals:   123      0     12     92     19      0     49.0    9362  9727


Playoff appearances per decade:

                   World   Yrs in   League    Div.
                  Series    World   Champ.   Champ.     In
          Yrs.     Wins    Series   Series   Series  Playoffs
 2020s:     6        1        1        2        4        5
 2010s:    10        0        0        0        4        5
 2000s:    10        0        0        1        6        6
 1990s:    10        1        5        8        5        8
 1980s:    10        0        0        1        0        1
 1970s:    10        0        0        0        0        0
 1960s:    10        0        0        1        0        1
 1950s:    10        1        2        0        0        2
 1940s:    10        0        1        0        0        1
 1930s:    10        0        0        0        0        0
 1920s:    10        0        0        0        0        0
 1910s:    10        1        1        0        0        1
 1900s:     7        0        0        0        0        0
Totals:   123        4       10       13       19       30