Outsize pay on Wall Street, particularly the industry’s bonus culture, is widely seen as having encouraged the risk-taking that led to the gravest financial crisis since the Depression. But industrywide, total compensation is expected to rise 20 to 30 percent this year, approximately to the levels of 2005, before the crisis, according to Johnson Associates, a compensation consulting firm. Total industry pay would still be below the record levels of 2007, but only a bit.