Toronto Maple Leafs 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  Ties
 2000s:     8      0      1      7      0      0     53.9     331   280    45
 1990s:    10      0      0      9      1      0     48.9     338   356    89
 1980s:    10      0      0      4      6      0     38.8     263   443    94
 1970s:    10      0      0     10      0      0     50.6     334   324   130
 1960s:    10      0      2      8      0      0     56.5     343   250   117
 1950s:    10      0      1      8      1      0     49.6     277   283   140
 1940s:    10      0      3      7      0      0     55.4     253   196    75
 1930s:    10      0      3      7      0      0     56.1     230   172    70
 1920s:     3      0      0      2      1      0     47.7      54    60    18
 1910s:     2      0      0      1      1      0     45.0      18    22     0
Totals:    83      0     10     63     10      0     50.5    2441  2386   778


Playoff appearances per decade

               Stanley
                 Cup   Yrs in Conf.  Conf.  In
          Yrs.   Wins   Cup   Finals Semis  Playoffs
 2000s:     8      0      0      1      4      5
 1990s:    10      0      0      3      3      6
 1980s:    10      0      0      0      2      6
 1970s:    10      0      0      1      8      8
 1960s:    10      4      5      8      9      9
 1950s:    10      1      2      7      7      7
 1940s:    10      5      6      9      9      9
 1930s:    10      1      6      7      9      9
 1920s:     3      0      0      1      1      1
 1910s:     2      0      1      1      1      1
Totals:    83     11     20     38     53     61