year|quarter|orig_ltv_min|gnm_bucket|upb_dist|wtavg_aoltv
2003|4|100|0|0.0029|0.8645
2003|4|  0|0|0.2568|0.4385
2003|4| 60|0|0.1706|0.6306
2003|4| 70|0|0.1218|0.6973
2003|4| 75|0|0.2803|0.7622
2003|4| 80|0|0.0939|0.8374
2003|4| 90|0|0.0586|0.9089
2003|4| 95|1|0.0151|0.9610