array(4) {
  ["day"]=>
  string(10) "2025-07-18"
  ["sector"]=>
  array(4) {
    ["Technology"]=>
    float(72.52194313740462)
    ["Automotive"]=>
    float(13.258967980220865)
    ["Financial"]=>
    float(5.393130160689851)
    ["andere Sektoren"]=>
    float(8.825958721684643)
  }
  ["country"]=>
  array(2) {
    ["Germany"]=>
    float(96.82605353951456)
    ["andere Länder"]=>
    float(3.173946460485443)
  }
  ["group"]=>
  string(1) "A"
}