</span> <span class="op">+</span></span></span>
<span class="r-in"><span>  <span class="fu">facet_wrap</span><span class="op">(</span><span class="op">~</span> <span class="va">country</span><span class="op">)</span> <span class="op">+</span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="geom_alluvium.html">geom_alluvium</a></span><span class="op">(</span>alpha <span class="op">=</span> <span class="fl">.75</span>, color <span class="op">=</span> <span class="st">"darkgrey"</span><span 