你知道在韩国有多少人被迫成为房奴吗？
韩国房奴人数尚无准确统计。[{'character': '韩', 'pinyin': 'han2', 'highest pitch': 9.6, 'lowest pitch': 8.29, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 9.15, 'lowest pitch': 8.36, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '房', 'pinyin': 'fang2', 'highest pitch': 9.8, 'lowest pitch': 8.68, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '奴', 'pinyin': 'nu2', 'highest pitch': 10.03, 'lowest pitch': 9.17, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 9.17, 'lowest pitch': 6.67, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '数', 'pinyin': 'shu4', 'highest pitch': 11.99, 'lowest pitch': 8.3, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '尚', 'pinyin': 'shang4', 'highest pitch': 9.2, 'lowest pitch': 7.42, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '无', 'pinyin': 'u2', 'highest pitch': 9.8, 'lowest pitch': 7.37, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '准', 'pinyin': 'zhuen3', 'highest pitch': 8.41, 'lowest pitch': 4.42, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '确', 'pinyin': 'qve4', 'highest pitch': 10.48, 'lowest pitch': 5.19, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '统', 'pinyin': 'tong3', 'highest pitch': 9.65, 'lowest pitch': 4.74, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '计', 'pinyin': 'ji4', 'highest pitch': 7.5, 'lowest pitch': 5.35, 'duration': 0.25, 'prosody hierarchy': '#4'}]