{
  "city": "Mülheim an der Ruhr",
  "slug": "muelheim-an-der-ruhr",
  "state": "Nordrhein-Westfalen",
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    {
      "ym": "2026-07",
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      "grp": "1900–1949",
      "n": 51
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    {
      "grp": "1950–1979",
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    {
      "grp": "1980–1999",
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    {
      "grp": "ab 2000",
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    {
      "grp": "unbekannt",
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    }
  ],
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      "grp": "Gepflegt",
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    },
    {
      "grp": "Keine Angabe",
      "n": 170
    },
    {
      "grp": "Top-Zustand",
      "n": 63
    },
    {
      "grp": "Neubau",
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    },
    {
      "grp": "Renovierungsbedarf",
      "n": 18
    }
  ],
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  "national_med_price": 289000.0,
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  "index": {
    "dims": [
      {
        "key": "overall",
        "label": "Gesamt",
        "unit": "€/m²",
        "months": [
          "2023-09",
          "2023-10",
          "2023-11",
          "2023-12",
          "2024-01",
          "2024-02",
          "2024-03",
          "2024-04",
          "2024-05",
          "2024-06",
          "2024-07",
          "2024-08",
          "2024-09",
          "2024-10",
          "2024-11",
          "2024-12",
          "2025-01",
          "2025-02",
          "2025-03",
          "2025-04",
          "2025-05",
          "2025-06",
          "2025-07",
          "2025-08",
          "2025-09",
          "2025-10",
          "2025-11",
          "2025-12",
          "2026-01",
          "2026-02",
          "2026-03",
          "2026-04",
          "2026-05",
          "2026-06",
          "2026-07",
          "2026-08"
        ],
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            "label": "Gesamtmarkt",
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              "2023-10",
              "2023-11",
              "2023-12",
              "2024-01",
              "2024-02",
              "2024-03",
              "2024-04",
              "2024-05",
              "2024-06",
              "2024-07",
              "2024-08",
              "2024-09",
              "2024-10",
              "2024-11",
              "2024-12",
              "2025-01",
              "2025-02",
              "2025-03",
              "2025-04",
              "2025-05",
              "2025-06",
              "2025-07",
              "2025-08",
              "2025-09",
              "2025-10",
              "2025-11",
              "2025-12",
              "2026-01",
              "2026-02",
              "2026-03",
              "2026-04",
              "2026-05",
              "2026-06",
              "2026-07",
              "2026-08"
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              96.3,
              93.6,
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              94.4,
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              97.6,
              92.7,
              93.7,
              95.4,
              95.9,
              94.3,
              94.9,
              97.2,
              98.3,
              102.1,
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              104.2,
              105.4,
              106.2,
              103.8,
              100.8,
              104.1,
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              107.4,
              107.6,
              108.3,
              111.0,
              105.1,
              106.4,
              105.9,
              109.4,
              112.4
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        "2023-10",
        "2023-11",
        "2023-12",
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        "2024-02",
        "2024-03",
        "2024-04",
        "2024-05",
        "2024-06",
        "2024-07",
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      "key": "size",
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      "key": "energy",
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        {
          "label": "Mittel (C–D)",
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          "label": "Ineffizient (E–H)",
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    {
      "key": "type",
      "label": "Wohnungstyp",
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          "delta": -6
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      "key": "tenancy",
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      "quality": "hoch",
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}