sentences:  Since 1997, there is evidence of increased support for, and trust in, the Assembly and greater support for it to receive enhanced powers, as evidenced by the 63.49% "Yes" vote in the 2011 referendum.Following the announcement in 2017 of plans to hold a second referendum on Scottish independence, Plaid Cymru leader Leanne Wood said there needed to be a national debate on Welsh independence.Surveys regarding support for independence have yielded different results, though they often find that between 15 and 30% of Welsh people desire independence from the United Kingdom.