madrid independence drive spain northeastern region catalonia become second large worry spaniards unemployment surge ninth big concern september official poll show tuesday political crisis catalonia central government reach head oct. regional leader carles puigdemont call vote independence consider illegal madrid declare secession fire replace 29 percent survey say catalonia push secession spain large problem poll take oct. oct 11 7.8 percent previous poll take begin september unemployment second high europe still 66.2 percent spaniard key concern national election hold today rule people party pp would hold minority government 28 percent vote accord survey 28.8 percent last take july market-friendly ciudadanos originally base catalonia saw support rise 17.5 percent october 14.5 percent july socialists would remain second large party parliament 24.2 percent compare 24.9 percent previously 2,487 people survey part poll catalonia independence drive second large concern unemployment poll