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|---|---|---|
 0001193125-18-042834-index-headers.html | 2018-02-13 17:12:30 | |
| 0001193125-18-042834-index.html | 2018-02-13 17:12:30 | |
| 0001193125-18-042834.txt | 2018-02-13 17:12:30 | |
 0001193125-18-042834-xbrl.zip | 74449 | 2018-02-13 17:12:30 |
 BarChart1.png | 31027 | 2018-02-13 17:12:30 |
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 BarChart3.png | 31159 | 2018-02-13 17:12:30 |
| bf12-20180126.xml | 122077 | 2018-02-13 17:12:30 |
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| d471348d485bpos.htm | 31516 | 2018-02-13 17:12:30 |
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 g471348g27r25.gif | 1971 | 2018-02-13 17:12:30 |
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| R10.htm | 100907 | 2018-02-13 17:12:30 |
| R15.htm | 170241 | 2018-02-13 17:12:30 |
| R16.htm | 101146 | 2018-02-13 17:12:30 |
| R2.htm | 123490 | 2018-02-13 17:12:30 |
| R21.htm | 170478 | 2018-02-13 17:12:30 |
| R22.htm | 7477 | 2018-02-13 17:12:30 |
| R9.htm | 231228 | 2018-02-13 17:12:30 |
| report.css | 2767 | 2018-02-13 17:12:30 |
| Show.js | 1410 | 2018-02-13 17:12:30 |