The filings listed below have been supplied to the SEC in interactive data (XBRL) format as part of the mandated program. Each XBRL filing is comprised of 6 files: An instance document and five extension taxonomy files. These six files have been zipped to make it easier to download and use in an XBRL-enabled viewer or analysis application.
| First Quarter | Second Quarter | Third Quarter | Fourth Quarter |
|---|---|---|---|
| Form 10-Q 3/31/12 |
| First Quarter | Second Quarter | Third Quarter | Fourth Quarter |
|---|---|---|---|
| Form 10-Q 3/31/11 | Form 10-Q 6/30/11 | Form 10-Q 9/30/11 | Form 10-Q 12/31/11 |
| First Quarter | Second Quarter | Third Quarter | Fourth Quarter |
|---|---|---|---|
| Form 10-Q 6/30/10 | Form 10-Q 9/30/10 | Form 10-Q 12/31/10 |