Analisis Pengaruh Risk Based Capital, Penerimaan Premi, Underwriting, dan Klaim terhadap Profitabilitas (Studi empiris Perusahaan Asuransi Kerugian yang listing di BEI periode 2006-2011) = Analysis of Risk Based Capital, Premium, Underwriting, and Claims against profitability general insurance in Indonesia (Empirical Study of Insurance Company listed on the Stock Exchange the period from 2006 to 2011)