San Antonio Spurs 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      9      0      0      0     70.7     522   216
 1990s:    10      0      7      2      1      0     62.9     496   292
 1980s:    10      0      2      5      3      0     47.2     387   433
 1970s:     3      0      1      2      0      0     58.5     144   102
Totals:    32      0     19      9      4      0     59.8    1549  1043

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        3        3        5        8        9        9
 1990s:    10        1        1        2        6        9        9
 1980s:    10        0        0        2        3        4        7
 1970s:     3        0        0        1        2        1        3
Totals:    32        4        4       10       19       23       28