诡异的数据问题

表的数据RYX_STEP_7_2由RYX_STEP_7_1分组求和生成，对表RYX_STEP_7_2列求和与表RYX_STEP_7_1求和的数据都不一致，不知道问题出在哪，求大神帮忙解决下。
代码如下：
INSERT INTO RYX_STEP_7_2
SELECT 
    AGMT_ID,
    PROD_ID_IN_BUSINESS_SYS,
    ZYLB,
    PLANNED_END_DATE,
    INCEPTION_DATE,
    MASTER_PROD_ID,
    ISSUE_SYS,
    NVL(SCHOOL_TYPE,0),
    SECTION_ID,
    DQD,
    SUM(Number_of_incepted_insured) Number_of_incepted_insured,
    SUM(Number_of_exposure) Number_of_exposure,
    SUM(Number_of_inception_policy) Number_of_inception_policy,
    SUM(Underwriting_premium) Underwriting_premium,
    SUM(Inception_sum_insured) Inception_sum_insured,
    SUM(Maturity_premium) Maturity_premium,
    SUM(Underwriting_sum_insured) Underwriting_sum_insured,
    SUM(Inception_premium) Inception_premium,
    SUM(Settled_claim_amount) Settled_claim_amount,
    SUM(Settled_claim_amount_seven) Settled_claim_amount_seven,
    SUM(Number_of_person_in_loss_event) Number_of_person_in_loss_event,
    SUM(Outstanding_estimation) Outstanding_estimation,
    SUM(Construction_sum_insured) Construction_sum_insured,
    SUM(Construction_price) Construction_price,
    SUM(Construction_area) Construction_area,
    SUM(Num_of_ocm_Assmnt) Num_of_ocm_Assmnt,
    SUM(Num_of_set_clm) Num_of_set_clm, 
    SUM(Person_in_claims_rejected) Person_in_claims_rejected,
    SUM(Number_of_set_clm) Number_of_set_clm,
    SUM(Num_of_ocm_clm) Num_of_ocm_clm,
    SUM(Construction_exposure) Construction_exposure,
    SUM(Num_of_incepted_insured) Num_of_incepted_insured,
    SUM(Num_of_exposure) Num_of_exposure
FROM RYX_STEP_7_1
GROUP BY AGMT_ID,PROD_ID_IN_BUSINESS_SYS,
ZYLB,PLANNED_END_DATE,INCEPTION_DATE,MASTER_PROD_ID,ISSUE_SYS,NVL(SCHOOL_TYPE,0),SECTION_ID,DQD;结果集 1
SELECT 
    SUM(Number_of_incepted_insured) Number_of_incepted_insured,
    SUM(Number_of_exposure) Number_of_exposure,
    SUM(Number_of_inception_policy) Number_of_inception_policy,
    SUM(Underwriting_premium) Underwriting_premium,
    SUM(Inception_sum_insured) Inception_sum_insured,
    SUM(Maturity_premium) Maturity_premium,
    SUM(Underwriting_sum_insured) Underwriting_sum_insured,
    SUM(Inception_premium) Inception_premium,
    SUM(Settled_claim_amount) Settled_claim_amount,
    SUM(Settled_claim_amount_seven) Settled_claim_amount_seven,
    SUM(Number_of_person_in_loss_event) Number_of_person_in_loss_event,
    SUM(Outstanding_estimation) Outstanding_estimation,
    SUM(Construction_sum_insured) Construction_sum_insured,
    SUM(Construction_price) Construction_price,
    SUM(Construction_area) Construction_area,
    SUM(Num_of_ocm_Assmnt) Num_of_ocm_Assmnt,
    SUM(Num_of_set_clm) Num_of_set_clm, 
    SUM(Person_in_claims_rejected) Person_in_claims_rejected,
    SUM(Number_of_set_clm) Number_of_set_clm,
    SUM(Num_of_ocm_clm) Num_of_ocm_clm,
    SUM(Construction_exposure) Construction_exposure,
    SUM(Num_of_incepted_insured) Num_of_incepted_insured,
    SUM(Num_of_exposure) Num_of_exposure
FROM RYX_STEP_7_1;结果集 2
SELECT 
    SUM(Number_of_incepted_insured) Number_of_incepted_insured,
    SUM(Number_of_exposure) Number_of_exposure,
    SUM(Number_of_inception_policy) Number_of_inception_policy,
    SUM(Underwriting_premium) Underwriting_premium,
    SUM(Inception_sum_insured) Inception_sum_insured,
    SUM(Maturity_premium) Maturity_premium,
    SUM(Underwriting_sum_insured) Underwriting_sum_insured,
    SUM(Inception_premium) Inception_premium,
    SUM(Settled_claim_amount) Settled_claim_amount,
    SUM(Settled_claim_amount_seven) Settled_claim_amount_seven,
    SUM(Number_of_person_in_loss_event) Number_of_person_in_loss_event,
    SUM(Outstanding_estimation) Outstanding_estimation,
    SUM(Construction_sum_insured) Construction_sum_insured,
    SUM(Construction_price) Construction_price,
    SUM(Construction_area) Construction_area,
    SUM(Num_of_ocm_Assmnt) Num_of_ocm_Assmnt,
    SUM(Num_of_set_clm) Num_of_set_clm, 
    SUM(Person_in_claims_rejected) Person_in_claims_rejected,
    SUM(Number_of_set_clm) Number_of_set_clm,
    SUM(Num_of_ocm_clm) Num_of_ocm_clm,
    SUM(Construction_exposure) Construction_exposure,
    SUM(Num_of_incepted_insured) Num_of_incepted_insured,
    SUM(Num_of_exposure) Num_of_exposure
FROM RYX_STEP_7_2;结果集1 和结果集2 的对应字段一条数据都对不上。求解，急急急