<prompt> Translate the following text to EnglishKulingana na utafiti wa mwaka wa 2001 uliofanywa na shirika la Retirement Confidence Survey, asilimia 46 ya wafanyakazi wa Marekani hawajawahi kujaribu kuhesabu kiasi cha pesa wanachohitaji kuhifadhi kwa ajili ya kustaafu.  <response>: According to the 2001 Retirement Confidence Survey,36 about 46 percent of American workers have not tried to calculate how much they need to save for retirement. 