_id
SCHCD
AC_YEAR
C1_OB
C2_OB
C3_OB
C4_OB
C5_OB
C6_OB
C7_OB
C8_OB
C9_OB
C10_OB
C11_OB
C12_OB
C1_OG
C2_OG
C3_OG
C4_OG
C5_OG
C6_OG
C7_OG
C8_OG
C9_OG
C10_OG
C11_OG
C12_OG