Atlanta Hawks 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:     9      0      0      3      5      1     34.6     255   483
 1990s:    10      0      4      6      0      0     56.7     447   341
 1980s:    10      0      5      4      1      0     54.8     449   371
 1970s:    10      0      0      7      3      0     46.2     379   441
 1960s:    10      0      4      5      1      0     55.6     444   355
 1950s:    10      0      1      4      5      0     43.1     302   399
Totals:    59      0     14     29     15      1     48.8    2276  2390

Per decade, the number of appearances in 
each playoff round:
                                    Yrs in    Yrs in   Yrs in
                  Finals   Yrs in   Conf.     Conf.    Round    Yrs in
          Yrs.     Wins    Finals   Finals    Semis    of 16   Playoffs
 2000s:     9        0        0        0        0        1        1
 1990s:    10        0        0        0        4        8        8
 1980s:    10        0        0        0        4        7        8
 1970s:    10        0        0        1        5        2        6
 1960s:    10        0        2        7        7        0        9
 1950s:    10        1        2        4        1        1        5
Totals:    59        1        4       12       21       19       37