Chart With Gaps In Data (multiple lines)

by Hoang Thoan

HTML

<script type="text/javascript" src="http://www.amcharts.com/lib/3/amcharts.js"></script>
<script type="text/javascript" src="http://www.amcharts.com/lib/3/serial.js"></script>
<script type="text/javascript" src="http://www.amcharts.com/lib/3/themes/none.js"></script>
<div id="chartdiv"></div>

CSS

#chartdiv {
	width	: 100%;
	height	: 500px;
}

JavaScript

var chart = AmCharts.makeChart("chartdiv", {
        "type": "serial",
        "theme": "none",
        "pathToImages": "http://www.amcharts.com/lib/3/images/",
        "dataProvider": [{
            "year": "1950",
            "value": -0.307,
            "value2": 0.1
        }, {
            "year": "1951",
            "value": -0.168,
            "value2": 0.12
        }, {
            "year": "1952",
            "value": -0.073,
            "value2": 0.13
        }, {
            "year": "1953",
            "value": -0.027
        }, {
            "year": "1954",
            "value": -0.251
        }, {
            "year": "1955",
            "value": -0.281,
            "value2": 0.2
        }, {
            "year": "1956",
            "value": -0.348,
            "value2": 0
        }, {
            "year": "1957",
            "value": -0.074
        }, {
            "year": "1958",
            "value": -0.011,
            "value2": -0.1
        }, {
            "year": "1959",
            "value": -0.074,
            "value2": 0.1
        }, {
            "year": "1960",
            "value": -0.124,
            "value2": -0.13
        }, {
            "year": "1961",
            "value": -0.024
        }, {
            "year": "1962",
            "value": -0.022
        }, {
            "year": "1963",
            "value": 0
        }, {
            "year": "1964",
            "value": -0.296,
            "value2": 0.1
        }, {
            "year": "1965",
            "value": -0.217,
            "value2": -0.2
        }, {
            "year": "1966",
            "value": -0.147,
            "value2": -0.21
        }, {
            "year": "1967",
            "value2": -0.24
        }, {
            "year": "1968",
            "value2": -0.21
        }, {
            "year": "1969",
            "value2": -0.29
        }, {
            "year": "1970",
            "value2": -0.31
        },{
            "year": "1971",
            "value": -0.19,
       ...