http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode completed 001 completed completed 001 completed historicalArchive 002 historicalArchive historicalArchive 002 historicalArchive obsolete 003 obsolete obsolete 003 obsolete onGoing 004 onGoing onGoing 004 onGoing onGoing 004 onGoing onGoing 004 onGoing planned 005 planned planned 005 planned required 006 required required 006 required underDevelopment 007 required underDevelopment 007 required underDevelopment 007 required underDevelopment 007 required