{
  "schemaVersion": 4,
  "study": {
    "slug": "ilm-kreis-2017-2026",
    "route": "/recherche/bodenrichtwert-entwicklung/thueringen/ilm-kreis-2017-2026",
    "districtCode": "16070",
    "districtName": "Ilm-Kreis",
    "stateCode": "TH",
    "stateName": "Thüringen",
    "dataStand": "2026-10-09",
    "evidenceTier": "C"
  },
  "primary": {
    "startYear": 2017,
    "endYear": 2026,
    "startEffectiveDate": "2017-01-01",
    "endEffectiveDate": "2026-01-01",
    "startEligible": 218,
    "endEligible": 94,
    "identifierPairs": 82,
    "startMedianEurM2": 44,
    "endMedianEurM2": 90,
    "medianDifferenceEurM2": 46,
    "medianDifferencePct": 104.5455,
    "municipalities": [],
    "municipalityTotalStart": 13,
    "municipalityTotalEnd": 13,
    "qualifyingMunicipalities": 4,
    "municipalityCoverageStartPct": 30.7692,
    "municipalityCoverageEndPct": 30.7692,
    "nominalPct": null,
    "realPct": null,
    "inflationPct": 29.1272
  },
  "inventories": [
    {
      "year": 2017,
      "effectiveDate": "2017-01-01",
      "zoneCount": 218,
      "medianEurM2": 44,
      "realMedianEurM2": 44,
      "coveragePct": 100,
      "distribution": {
        "min": 8,
        "p10": 11,
        "p25": 25,
        "median": 44,
        "p75": 65,
        "p90": 90,
        "max": 200
      }
    },
    {
      "year": 2019,
      "effectiveDate": "2019-01-01",
      "zoneCount": 209,
      "medianEurM2": 50,
      "realMedianEurM2": 48.67,
      "coveragePct": 95.8716,
      "distribution": {
        "min": 9,
        "p10": 15,
        "p25": 35,
        "median": 50,
        "p75": 75,
        "p90": 100.8,
        "max": 239
      }
    },
    {
      "year": 2021,
      "effectiveDate": "2021-01-01",
      "zoneCount": 156,
      "medianEurM2": 62,
      "realMedianEurM2": 58.38,
      "coveragePct": 71.5596,
      "distribution": {
        "min": 19,
        "p10": 35,
        "p25": 50,
        "median": 62,
        "p75": 89.25,
        "p90": 115,
        "max": 239
      }
    },
    {
      "year": 2022,
      "effectiveDate": "2022-01-01",
      "zoneCount": 154,
      "medianEurM2": 75,
      "realMedianEurM2": 67.8,
      "coveragePct": 70.6422,
      "distribution": {
        "min": 22,
        "p10": 44.3,
        "p25": 60,
        "median": 75,
        "p75": 100,
        "p90": 130,
        "max": 245
      }
    },
    {
      "year": 2024,
      "effectiveDate": "2024-01-01",
      "zoneCount": 154,
      "medianEurM2": 85,
      "realMedianEurM2": 68.74,
      "coveragePct": 70.6422,
      "distribution": {
        "min": 24,
        "p10": 50,
        "p25": 65.5,
        "median": 85,
        "p75": 110,
        "p90": 145,
        "max": 245
      }
    },
    {
      "year": 2026,
      "effectiveDate": "2026-01-01",
      "zoneCount": 94,
      "medianEurM2": 90,
      "realMedianEurM2": 69.7,
      "coveragePct": 43.1193,
      "distribution": {
        "min": 26,
        "p10": 47.9,
        "p25": 66.25,
        "median": 90,
        "p75": 115,
        "p90": 148.5,
        "max": 200
      }
    }
  ],
  "gates": {
    "minimumMunicipalities": 5,
    "minimumZonesPerMunicipality": 5,
    "minimumMunicipalityCoveragePct": 80
  },
  "provenance": {
    "sourceAttribution": {
      "publisher": "Gutachterausschüsse für Grundstückswerte in Thüringen",
      "sourceUrl": "https://www.geoproxy.geoportal-th.de/geoproxy/services/boris/boris_wfs",
      "shortName": "BORIS Thüringen",
      "portalName": "BORIS-TH",
      "licenseName": "Creative Commons Namensnennung 4.0 International (CC BY 4.0)",
      "licenseUrl": "https://creativecommons.org/licenses/by/4.0/legalcode.de",
      "attribution": "© Daten der Gutachterausschüsse für Grundstückswerte TH 2016–2026 / CC BY 4.0, https://www.gutachterausschuesse-th.de, https://creativecommons.org/licenses/by/4.0/legalcode.de, Daten bearbeitet"
    },
    "inflation": {
      "series": "Verbraucherpreisindex für Deutschland, Gesamtindex, Januarwerte, Basis 2020 = 100",
      "sourceUrl": "https://www.destatis.de/DE/Themen/Wirtschaft/Preise/Verbraucherpreisindex/Publikationen/Downloads-Verbraucherpreise/statistischer-bericht-verbraucherpreisindex-lange-reihen-5611103.xlsx?__blob=publicationFile&v=29",
      "sourceSha256": "8c728e44fa400d762009fa34507a34e1fee3947641d2579484d7d040763b11f4"
    },
    "sourceSnapshot": {
      "path": "/recherche/bodenrichtwert-entwicklung/thueringen/ilm-kreis-2017-2026/eingangsdaten-kreis-ilm-kreis-2017-2026.json",
      "sha256": "f4b30663f2956cc6cc661803d3bfc410a850424784598387dfde3855b9689b11",
      "contents": "Eingefrorene Recheneingaben: geeignete Wohnzonen beider Stichtage mit amtlicher Zonenkennung, Gemeinde, Wert und Stichtag."
    },
    "databaseTable": "public.bodenrichtwerte_de",
    "sourceRetrievedDate": "2026-10-09"
  },
  "checks": {
    "expectedTier": true,
    "expectedStartZones": true,
    "expectedEndZones": true,
    "expectedIdentifierPairs": true,
    "expectedMunicipalities": true,
    "expectedQualifyingMunicipalities": true,
    "sourceDistrictMatches": true,
    "endpointsHavePositiveValues": true,
    "allVintagesHaveInflation": true,
    "inventoriesOrdered": true,
    "tierBGatesHold": true,
    "tierCGateFailureRecorded": true
  }
}
