Analisis pengaruh pertumbuhan kredit perbankan terhadap kinerja bank sebelum dan selama krisis keuangan Amerika Serikat: studi pada bank umum konvensional yang terdaftar dalam Bursa Efek Indonesia periode 2005-2014 = Analysis of banking loan growth's influence on bank performance before and during financial crisis of United States: evidence from conventional banks listed in Bursa Efek Indonesia period 2005-2014