1step,rule,n_before,n_after,n_removed,rationale21,drop rows with empty DGS10 field (holidays),5217,5002,215,TASK rule: no published yield32,first available observation has no change,5002,5001,1,TASK rule: change needs y_{t-1}4
76f9a44a3a85fb2bc2b0b370a4ae4eed9b95e579