Highcharts.chart('container', {
    chart: {
        type: 'area'
    },
    title: {
        useHTML: true,
        text: 'Countries/regions with highest Gt CO<sub>2</sub>-emissions',
        align: 'left'
    },
    subtitle: {
        text: 'Source: ' +
            '<a href="https://energiogklima.no/klimavakten/land-med-hoyest-utslipp/"' +
            'target="_blank">Energi og Klima</a>',
        align: 'left'
    },
    accessibility: {
        point: {
            valueDescriptionFormat: '{index}. {point.category}, {point.y:,.1f} billions, {point.percentage:.1f}%.'
        }
    },
    yAxis: {
        labels: {
            format: '{value}%'
        },
        title: {
            enabled: false
        }
    },
    tooltip: {
        pointFormat: '<span style="color:{series.color}">{series.name}</span>: <b>{point.percentage:.1f}%</b> ({point.y:,.1f} billion Gt)<br/>',
        split: true
    },
    plotOptions: {
        series: {
            pointStart: 1990
        },
        area: {
            stacking: 'percent',
            marker: {
                enabled: false
            }
        }
    },
    series: [{
        name: 'China',
        data: [2.5, 2.6, 2.7, 2.9, 3.1, 3.4, 3.5, 3.5, 3.4, 3.4, 3.4,
            3.5, 3.9, 4.5, 5.2, 5.9, 6.5, 7, 7.5, 7.9, 8.6, 9.5, 9.8,
            10, 10, 9.8, 9.7, 9.9, 10.3, 10.5, 10.7, 10.9
        ]
    }, {
        name: 'USA',
        data: [5.1, 5.1, 5.2, 5.3, 5.4, 5.4, 5.6, 5.7, 5.7, 5.8, 6, 5.9,
            5.9, 6, 6.1, 6.1, 6.1, 6.1, 5.9, 5.5, 5.7, 5.5, 5.3, 5.5,
            5.5, 5.4, 5.2, 5.2, 5.4, 5.3, 4.7, 5
        ]
    }, {
        name: 'EU',
        data: [3.9, 3.8, 3.7, 3.6, 3.6, 3.6, 3.7, 3.7, 3.6, 3.6, 3.6, 3.7,
            3.7, 3.7, 3.8, 3.7, 3.7, 3.7, 3.6, 3.3, 3.4, 3.3, 3.3, 3.2, 3,
            3.1, 3.1, 3.1, 3, 2.9, 2.6, 2.7]
    }, {
        name: 'India',
        data: [0.6, 0.6, 0.7, 0.7, 0.7, 0.8, 0.8, 0.9, 0.9, 1, 1, 1,
            1, 1.1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 2, 2,
            2.2, 2.3, 2.4, 2.4, 2.6, 2.6, 2.4, 2.7]
    }]
});