Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000819940-20-000059-index-headers.html | 2020-03-04 11:50:46 | |
| 0000819940-20-000059-index.html | 2020-03-04 11:50:46 | |
| 0000819940-20-000059.txt | 2020-03-04 11:50:46 | |
 0000819940-20-000059-xbrl.zip | 75355 | 2020-03-04 11:50:46 |
 BarChart1.png | 29745 | 2020-03-04 11:50:46 |
 BarChart2.png | 32037 | 2020-03-04 11:50:46 |
 BarChart3.png | 31964 | 2020-03-04 11:50:46 |
| ck0000819940-20200225.xml | 115824 | 2020-03-04 11:50:46 |
| ck0000819940-20200225.xsd | 16068 | 2020-03-04 11:50:46 |
| ck0000819940-20200225_cal.xml | 5049 | 2020-03-04 11:50:46 |
| ck0000819940-20200225_def.xml | 401761 | 2020-03-04 11:50:46 |
| ck0000819940-20200225_lab.xml | 194389 | 2020-03-04 11:50:46 |
| ck0000819940-20200225_pre.xml | 436028 | 2020-03-04 11:50:46 |
| FilingSummary.xml | 6293 | 2020-03-04 11:50:46 |
| lp1-310.htm | 26655 | 2020-03-04 11:50:46 |
| R1.htm | 32670 | 2020-03-04 11:50:46 |
| R15.htm | 165563 | 2020-03-04 11:50:46 |
| R16.htm | 120549 | 2020-03-04 11:50:46 |
| R2.htm | 114921 | 2020-03-04 11:50:46 |
| R23.htm | 214527 | 2020-03-04 11:50:46 |
| R24.htm | 3937 | 2020-03-04 11:50:46 |
| R8.htm | 191518 | 2020-03-04 11:50:46 |
| R9.htm | 97815 | 2020-03-04 11:50:46 |
| report.css | 2767 | 2020-03-04 11:50:46 |
| Show.js | 1085 | 2020-03-04 11:50:46 |