Cumulative  Cumulative
             HUUNITS   Frequency   Percent   Frequency    Percent 
             -----------------------------------------------------
             0            23041      31.9       23041       31.9
             1            35183      48.8       58224       80.7
             2             2898       4.0       61122       84.7
             3             2306       3.2       63428       87.9
             4             2603       3.6       66031       91.5
             5             6121       8.5       72152      100.0