CompositionData

{
    "summary": {
        "vessels": {
            "filtered_count": 0
        },
        "average_age": {
            "unit": "years",
            "value": 13.8
        },
        "total_dwt": {
            "unit": "kt",
            "value": 0,
            "vessels_with_data": 0
        },
        "flag_states_count": 0
    },
    "type_and_class": {
        "vessel_type": [
            {
                "label": "string",
                "count": 0,
                "percentage": 0
            }
        ],
        "vessel_class": [
            {
                "label": "string",
                "count": 0,
                "percentage": 0
            }
        ]
    },
    "registration_and_flag": {
        "port_of_registry": {
            "total_categories": 0,
            "items": [
                {
                    "label": "string",
                    "count": 0,
                    "percentage": 0
                }
            ]
        },
        "vessel_flag": {
            "total_categories": 0,
            "items": [
                {
                    "label": "string",
                    "count": 0,
                    "percentage": 0
                }
            ]
        }
    },
    "build_and_origin": {
        "country_of_build": {
            "total_categories": 0,
            "items": [
                {
                    "label": "string",
                    "count": 0,
                    "percentage": 0
                }
            ]
        },
        "builder": {
            "total_categories": 0,
            "items": [
                {
                    "label": "string",
                    "count": 0,
                    "percentage": 0
                }
            ]
        },
        "age_profile": [
            {
                "label": "string",
                "count": 0,
                "percentage": 0
            }
        ]
    },
    "size_and_dimensions": {
        "size": {
            "deadweight_tonnage": {
                "unit": "t",
                "vessels_with_data": 0,
                "items": [
                    {
                        "label": "string",
                        "count": 0,
                        "percentage": 0
                    }
                ]
            },
            "gross_tonnage": {
                "unit": "gt",
                "vessels_with_data": 0,
                "items": [
                    {
                        "label": "string",
                        "count": 0,
                        "percentage": 0
                    }
                ]
            }
        },
        "dimensions": {
            "length_overall": {
                "unit": "m",
                "vessels_with_data": 0,
                "items": [
                    {
                        "label": "string",
                        "count": 0,
                        "percentage": 0
                    }
                ]
            },
            "beam": {
                "unit": "m",
                "vessels_with_data": 0,
                "items": [
                    {
                        "label": "string",
                        "count": 0,
                        "percentage": 0
                    }
                ]
            },
            "draught": {
                "unit": "m",
                "vessels_with_data": 0,
                "items": [
                    {
                        "label": "string",
                        "count": 0,
                        "percentage": 0
                    }
                ]
            }
        }
    }
}