Portland Trail Blazers 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      3      3      3      0     50.1     370   368
 1990s:    10      0      5      5      0      0     62.8     495   293
 1980s:    10      0      1      9      0      0     53.9     442   378
 1970s:     9      0      1      4      4      0     43.6     322   416
Totals:    38      0     10     21      7      0     52.8    1629  1455

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        1        1        4        4
 1990s:    10        0        2        4        4       10       10
 1980s:    10        0        0        0        2        9        9
 1970s:     9        1        1        1        2        2        3
Totals:    38        1        3        6        9       25       26