Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-11-099475-index-headers.html | 2011-04-15 15:58:58 | |
| 0001193125-11-099475-index.html | 2011-04-15 15:58:58 | |
| 0001193125-11-099475.txt | 2011-04-15 15:58:58 | |
 0001193125-11-099475-xbrl.zip | 36547 | 2011-04-15 15:58:58 |
 BarChart1.jpg | 25001 | 2011-04-15 15:58:58 |
 BarChart2.jpg | 25184 | 2011-04-15 15:58:58 |
 BarChart3.jpg | 25184 | 2011-04-15 15:58:58 |
 BarChart4.jpg | 25001 | 2011-04-15 15:58:58 |
| cik0000773757-2011033001.xml | 98399 | 2011-04-15 15:58:58 |
| cik0000773757-2011033001.xsd | 9178 | 2011-04-15 15:58:58 |
| cik0000773757-2011033001_cal.xml | 1707 | 2011-04-15 15:58:58 |
| cik0000773757-2011033001_def.xml | 9273 | 2011-04-15 15:58:58 |
| cik0000773757-2011033001_lab.xml | 153618 | 2011-04-15 15:58:58 |
| cik0000773757-2011033001_pre.xml | 129652 | 2011-04-15 15:58:58 |
| d485bpos.htm | 40010 | 2011-04-15 15:58:58 |
| defnref.xml | 15792 | 2011-04-15 15:58:58 |
| FilingSummary.xml | 6341 | 2011-04-15 15:58:58 |
| Financial_Report.xls | 447231 | 2011-04-15 15:58:58 |
| R1.xml | 611676 | 2011-04-15 15:58:58 |
| R15.xml | 70633 | 2011-04-15 15:58:58 |
| R18.xml | 145058 | 2011-04-15 15:58:58 |
| R2.xml | 352473 | 2011-04-15 15:58:58 |
| R21.xml | 1131711 | 2011-04-15 15:58:58 |
| R3.xml | 261583 | 2011-04-15 15:58:58 |
| R4.xml | 54677 | 2011-04-15 15:58:58 |
| R7.xml | 89467 | 2011-04-15 15:58:58 |