_id SCHCD AC_YEAR C1_DIS_B C1_DIS_G C2_DIS_B C2_DIS_G C3_DIS_B C3_DIS_G C4_DIS_B C4_DIS_G C5_DIS_B C5_DIS_G C6_DIS_B C6_DIS_G C7_DIS_B C7_DIS_G C8_DIS_B C8_DIS_G C9_DIS_B C9_DIS_G C10_DIS_B C10_DIS_G C11_DIS_B C11_DIS_G C12_DIS_B C12_DIS_G