ia-hidden="true" tabindex="-1"></a>              <span class="at">size =</span> <span class="fu">rel</span>(<span class="dv">3</span>)) <span class="sc">+</span> </span>
<span id="cb5-14"><a href="#cb5-14" aria-hidden="true" tabindex="-1"></a>    <span class="fu">theme_bw</span>() <span class="sc">+</span></span>
<span id="cb5-15"><a href="#cb5-15" aria-hidden="true" tabindex="-1"></a>    <span class="fu">scale_x_continuous</span>(<span class="at">expand =</span> <span class="fu">c</span>(<span class="dv">0