esidential Consumption"</span>,</span></span>
<span class="r-in"><span>     cex.main <span class="op">=</span> <span class="fl">1</span>, font.main <span class="op">=</span> <span class="fl">1</span>, col.main <span class="op">=</span> <span class="st">"black"</span>,</span></span>
<span class="r-in"><span>     xlab <span class="op">=</span> <span class="st">"Source: https://www.eia.gov/"</span>,</span></span>
<span class="r-in"><span>     font.axis <span class="op">=</span> <span class="fl">1</span>, cex.l