Show popular search terms in sidebar Magento

Hi in some project i need to show the popular search terms in the sidebar . For that i have use the following code


  <reference name="right">
            <!-- Search Terms -->
            <block type="catalogsearch/term" after="cart.sidebar" name="catalogsearch.term" template="catalogsearch/term.phtml"/>
        </reference>


you can place this code in the  catalog.xml file of your theme