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            type: 'line',
            animation: false,
            showAxes: true,
            height: 500
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            type: 'datetime',
            showEmpty: true,
            gridLineWidth: 1,
            gridLineDashStyle: 'dot',
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        },
        yAxis: {
            title: {text: 'Курс RUB, грн'},
            lineWidth: 3,
            gridLineWidth: 1,
            gridLineDashStyle: 'dash',
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        plotOptions: {
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        tooltip: {valueDecimals: 8, xDateFormat: '%d %b %Y', shared: true},
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                tooltip: {valueSuffix: ' грн'},
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                        {
                name: 'Среднее за период',
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