Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000819940-20-000087-index-headers.html | 2020-04-20 11:15:27 | |
| 0000819940-20-000087-index.html | 2020-04-20 11:15:27 | |
| 0000819940-20-000087.txt | 2020-04-20 11:15:27 | |
 0000819940-20-000087-xbrl.zip | 67550 | 2020-04-20 11:15:27 |
 BarChart1.png | 24637 | 2020-04-20 11:15:27 |
 BarChart2.png | 15131 | 2020-04-20 11:15:27 |
 BarChart3.png | 23554 | 2020-04-20 11:15:27 |
| ck0000819940-20200327.xml | 88785 | 2020-04-20 11:15:27 |
| ck0000819940-20200327.xsd | 15305 | 2020-04-20 11:15:27 |
| ck0000819940-20200327_cal.xml | 5049 | 2020-04-20 11:15:27 |
| ck0000819940-20200327_def.xml | 403615 | 2020-04-20 11:15:27 |
| ck0000819940-20200327_lab.xml | 190546 | 2020-04-20 11:15:27 |
| ck0000819940-20200327_pre.xml | 438288 | 2020-04-20 11:15:27 |
| FilingSummary.xml | 6960 | 2020-04-20 11:15:27 |
| lp1-310.htm | 27264 | 2020-04-20 11:15:27 |
| R1.htm | 28568 | 2020-04-20 11:15:27 |
| R15.htm | 142664 | 2020-04-20 11:15:27 |
| R16.htm | 93362 | 2020-04-20 11:15:27 |
| R2.htm | 96280 | 2020-04-20 11:15:27 |
| R22.htm | 158977 | 2020-04-20 11:15:27 |
| R23.htm | 3932 | 2020-04-20 11:15:27 |
| R8.htm | 162011 | 2020-04-20 11:15:27 |
| R9.htm | 79537 | 2020-04-20 11:15:27 |
| report.css | 2767 | 2020-04-20 11:15:27 |
| Show.js | 1085 | 2020-04-20 11:15:27 |