Sentence: The number of this people are 21303 and the small group in this sector are people from 56 to 65 years, this fact illustrated that the small group in this sector from 1998 to 2006 years are people whose age group 56 years to 65 years.

Error: are
Error type: Copying expression

Error: are
Error type: Tense semantics

Error: are
Error type: Copying expression

Error: are
Error type: Tense semantics

Error: are
Error type: Tense semantics