http://saysunny.tistory.com/entry/주민등록번호로-한국나이-만나이-계산ㅁ 한국나이
  - Year(Date())-IIf(Mid([Field],7,1)>=3,2000,1900)-Left([Field],2)+1

ㅁ 만나이
  - IIf(DateSerial(0,Mid([Field],3,2),Mid([Field],5,2))>=DateSerial(0,Month(Date()),Day(Date())),Year(Date())-(IIf(Mid([Field],7,1)>2,2000,1900)+Left([Field],2))-1,Year(Date())-(IIf(Mid([Field],7,1)>2,2000,1900)+Left([Field],2)))