Make small bars appear larger than their values would indicate

HTML

<script src="http://www.google.com/jsapi?fake=.js"></script>
<div id="chart_div1"></div>
<div id="chart_div2"></div>
<div id="chart_div3"></div>
<div id="panel">
    <div id="chart_div4"></div>
    <div id="chart_div5"></div>
</div>

CSS

/* move the lower panel chart up to align with the upper panel
 * this will likely need some browser-specific tuning (tested in Chrome with these settings)
 */
#chart_div5 {
    margin-top: -33px;
}

JavaScript

google.load('visualization', '1', {packages: ['corechart']});
google.setOnLoadCallback(drawVisualization);

function drawVisualization() {
    var data = new google.visualization.DataTable();
    data.addColumn('string', 'Name');
    data.addColumn('number', 'Value');
    data.addRows([
        ['Foo', 10000],
        ['Baz', 10]
    ]);

    var chart1 = new google.visualization.ColumnChart(document.getElementById('chart_div1'));
    chart1.draw(data, {
        height: 400,
        width: 500,
        title: '"Baz" is too small to click on'
    });
    
    var chart2 = new google.visualization.ColumnChart(document.getElementById('chart_div2'));
    chart2.draw(data, {
        height: 400,
        width: 500,
        title: 'Use a logScale axis to make smaller values appear larger',
        vAxis: {
            logScale: true
        }
    });
    
    var view = new google.visualization.DataView(data);
    view.setColumns([0, {
        type: 'number',
        label: 'Value',
        calc: function (dt, row) {
            var value = dt.getValue(row, 1);
            return (value < 100) ? {v: 100, f: dt.getFormattedValue(row, 1)} : value;
        }
    }]);
    
    var chart3 = new google.visualization.ColumnChart(document.getElementById('chart_div3'));
    chart3.draw(view, {
        height: 400,
        width: 500,
        title: 'Change the value of small values to make them appear relatively larger, but keep the formatted value the same, so the tooltips will appear correct'
    });
    
    // chart 4 and 5 make up the "panel" chart
    var chart4 = new google.visualization.ColumnChart(document.getElementById('chart_div4'));
    chart4.draw(data, {
        height: 300,
        width: 500,
        chartArea: {
            height: '85%'
        },
        hAxis: {
            textPosition: 'none'
        },
        vAxis: {
            viewWindow: {
                min: 100
            }
        },
        title: 'Make a "panel" chart that emphasizes smaller...