In year 2010 at schools located in Hawaii, what is the percentage of schools offers an associate's degree?
Hawaii refers to state = 'Hawaii'; associate's degree refers to level = '2-year'; percentage = MULTIPLY(DIVIDE(SUM(level = '2-year' ), count(level)), 1.0);
SELECT CAST(SUM(CASE WHEN T2.level = '2-year' THEN 1 ELSE 0 END) AS REAL) * 100 / COUNT(T2.level) FROM state_sector_details AS T1 INNER JOIN state_sector_grads AS T2 ON T2.stateid = T1.stateid WHERE T2.state = 'Hawaii' AND T2.year = 2010