ss="r-pr">#&gt;</span> 18       63 0.4224305 0.3082983 0.26927123</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 19       32 0.4361452 0.3324358 0.23141900</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 20       13 0.5848324 0.2669245 0.14824310</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 21       51 0.4441745 0.3202604 0.23556514</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 22       22 0.5171786 0.3699171 0.11290425</span>
<span class="r-out 