{"type":"rich","version":"1.0","provider_name":"Datawrapper","provider_url":"https://datawrapper.de","title":"Major gas distributors  have enjoyed a dramatic increase in their operating\nprofit margins over the last 15 years","html":"<iframe title=\"Major gas distributors  have enjoyed a dramatic increase in their operating\nprofit margins over the last 15 years\" aria-label=\"grouped-column-chart / aria-title\" id=\"datawrapper-chart-HweTn\" src=\"https://datawrapper.dwcdn.net/HweTn/5/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"468\" data-external=\"1\"></iframe><script type=\"text/javascript\">(function(){function e(){window.addEventListener(`message`,function(e){if(e.data[`datawrapper-height`]!==void 0){var t=document.querySelectorAll(`iframe`);for(var n in e.data[`datawrapper-height`])for(var r=0,i;i=t[r];r++)if(i.contentWindow===e.source){var a=e.data[`datawrapper-height`][n]+`px`;i.style.height=a}}})}e()})();</script>","width":726,"height":468}