<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?rais bouteflika, aliyeko madarakani tangu mwaka 1999, hajaonekana hadharani tangu alipougua kiharusi mwaka 2013.  <response>: president bouteflika, in power since 1999, has rarely been seen in public since suffering a stroke in 2013. 