{
  "source_values_checked": 6726,
  "all_source_values_match": true,
  "all_endpoint_counts_match": true,
  "all_smoothed_counts_match": true,
  "all_joint_error_bounds_match": true,
  "method": "Source XLSX XML parsed with ElementTree; exact rational comparisons from stored decimal literals; raw World Bank GDP JSON parsed as fractions."
}