{
  "id-zmienna": 719,
  "nazwa": "Transport performance in goods transport",
  "nazwa-skrocona": "Transport performance in goods transport",
  "tagi": [
    {
      "id-tag": 634,
      "nazwa-tag": "transportation of cargo"
    }
  ],
  "pojecia": [
    {
      "id-pojecie": 747,
      "nazwa-pojecie": "Tonne-kilometres",
      "definicja": "<p>\n\tThe sum of tonne-kilometres in transport of goods by all modes of freight transport, i.e. railway, road, pipeline, air, inland waterways and maritime transport.</p>\n",
      "uwagi": "<p>\n\tThe unit of measurement is a tonne-kilometre (tkm). One tonne-kilometre is transport of 1 ton of cargo for the distance of 1 km.</p>\n",
      "data-poczatku-pojecie": "1999-07-01",
      "data-konca-pojecie": "9999-12-31"
    }
  ],
  "wyjasnienia-metodologiczne": {
    "notki": []
  },
  "przekroje": [
    {
      "id-przekroj": 742,
      "nazwa-przekroj": "Poland; Types of transport in cargo transportation",
      "szereg-czasowy": "2002 - 2025",
      "id-czestotliwosc": 1,
      "nazwa-czestotliwosc": "Year",
      "aktualizacja-ostatnia": "2026-09-30"
    }
  ],
  "zestawy": [
    {
      "id-zestaw": 169,
      "symbol-zestaw": "LOT-1",
      "nazwa-zestaw": "report on air transport",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    },
    {
      "id-zestaw": 374,
      "symbol-zestaw": "PERN-1",
      "nazwa-zestaw": "compilation of data on pipeline lenghts, crude oil and petroleum products pumping",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    },
    {
      "id-zestaw": 521,
      "symbol-zestaw": "T-08",
      "nazwa-zestaw": "report on maritime and coastal transport fleet",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    },
    {
      "id-zestaw": 524,
      "symbol-zestaw": "T-11/k",
      "nazwa-zestaw": "report on fleet and inland waterway transport",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    },
    {
      "id-zestaw": 526,
      "symbol-zestaw": "TD-E",
      "nazwa-zestaw": "weekly questionnaire on goods transport by motor vehicle",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    },
    {
      "id-zestaw": 529,
      "symbol-zestaw": "TK-2",
      "nazwa-zestaw": "report on rail freight transport",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    }
  ],
  "badania": [
    {
      "id-badanie": 192,
      "symbol-badanie": "1.48.01",
      "temat-badanie": "Railway transport"
    },
    {
      "id-badanie": 193,
      "symbol-badanie": "1.48.02",
      "temat-badanie": "Road freight and passenger transport"
    },
    {
      "id-badanie": 194,
      "symbol-badanie": "1.48.05",
      "temat-badanie": "Maritime and coastal transport"
    },
    {
      "id-badanie": 196,
      "symbol-badanie": "1.48.08",
      "temat-badanie": "Air transport"
    },
    {
      "id-badanie": 197,
      "symbol-badanie": "1.48.09",
      "temat-badanie": "Inland waterway transport"
    },
    {
      "id-badanie": 198,
      "symbol-badanie": "1.48.10",
      "temat-badanie": "Pipeline transport"
    }
  ],
  "akty-prawne": [
    {}
  ],
  "jednostki": [
    {
      "id-jednostka": 136,
      "nazwa-jednostki": "Statistical Office in Szczecin"
    }
  ]
}