Costa Rica: Arias’ PLN Is First in Costa Rica, Angus Reid Global Monitor (2008)
"The governing National Liberation Party (PLN) is the most popular political organization in Costa Rica, according to a poll by Unimer published in La Nación. 25 per cent of respondents would vote for the party of current president Óscar Arias in the next legislative election."
The link address is: http://www.angus-reid.com/polls/view/arias_pln_is_first_in_costa_rica/