year|quarter|orig_ltv_min|gnm_bucket|upb_dist|wtavg_aoltv
2001|4|0|0|0.1696|0.4238
2001|4|60|0|0.1393|0.6043
2001|4|70|0|0.1364|0.6782
2001|4|75|0|0.2957|0.7481
2001|4|80|0|0.1365|0.8293
2001|4|90|0|0.1011|0.9053
2001|4|95|1|0.0158|0.9483
2001|4|100|0|0.0056|0.8833