year|quarter|orig_ltv_min|gnm_bucket|upb_dist|wtavg_aoltv
2004|4|100|0|0.0020|0.8535
2004|4|  0|0|0.2610|0.4288
2004|4| 60|0|0.1722|0.6225
2004|4| 70|0|0.1139|0.6890
2004|4| 75|0|0.2969|0.7579
2004|4| 80|0|0.0849|0.8312
2004|4| 90|0|0.0522|0.9035
2004|4| 95|1|0.0169|0.9625