year|quarter|orig_ltv_min|gnm_bucket|upb_dist|wtavg_aoltv
2006|4|100|0|0.0011|0.8508
2006|4|  0|0|0.2473|0.4144
2006|4| 60|0|0.1674|0.6096
2006|4| 70|0|0.1013|0.6757
2006|4| 75|0|0.3461|0.7529
2006|4| 80|0|0.0719|0.8195
2006|4| 90|0|0.0407|0.8874
2006|4| 95|1|0.0243|0.9648