Possible enumeration values:

NameValueDescription
National

0

ForeignImportDirect

1

ForeignAcquiredMarketInternal

2

NationalContentImportHigher40

3

NationalProductionBasic

4

NationalContentInferiorSmaller40

5

ForeignImportDirectWithoutSimilarNational

6

ForeignAcquiredMarketInternalWithoutSimilarNational

7

NationalMerchandiseContentImportHigher70

8