pan></span>
<span><span class="co">#&gt; Sources            5          7                  9</span></span>
<span><span class="va">res2</span><span class="op">$</span><span class="va">aggregated</span><span class="op">[[</span><span class="fl">2</span><span class="op">]</span><span class="op">]</span></span>
<span><span class="co">#&gt;                          LED lamps Transport</span></span>
<span><span class="co">#&gt; Electricity [from Coal]          3         3</span></span>
<span><span class="co">#&gt;