[
{
"year": 2022,
"commodity_type": "Coal",
"commodity_sub_type": "Sub-bituminous & Metallurgical Coal",
"commodity_stats": {
"unit": "Mt",
"production_volume": 49.1
}
},
{
"year": 2019,
"commodity_type": "Coal",
"commodity_sub_type": "Sub-bituminous & Metallurgical Coal",
"commodity_stats": {
"unit": "Mt",
"production_volume": 51.6
}
}
]