{"text_format":"dbase-jsonl-2026-09-30","columns":[{"name":"MGT_YEAR","type":"character","width":9}],"n_rows":4,"rows_kept":4,"cut":false,"deleted_skipped":0,"read_ended":"whole","bounds":"16MiB/16384/4096/first_that_fit","version":"dbase_level_three","encoding_class":"enc_absent","reader":"statdb_count/9"}
["mgt_p1"]
["mgt_p2"]
["mgt_p3"]
["mgt_p4"]