an>   gen C1 C2 C3 C4 C5 C6 total n percent</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1 G01  1  1  1  1  1  1     6 6       1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2 G02  1  1  1  1  1  1     6 6       1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3 G03  1  1  1  1  1  1     6 6       1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4 G04  1  1  1  1  1  1     6 6       1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span