<graph baseFontSize="10" showvalues="0" shownames="0" xAxisName='Years (Mouse over data points to see detailed information)' yAxisName='Thousands of tons' formatNumberScale='0' showNames='1' zeroPlaneAlpha="0" showAlternateHGridColor='1' AlternateHGridColor='ff5904' divLineColor='ff5904' divLineAlpha='20' alternateHGridAlpha='5'>
	<set name="1974" value="136.7289889" />
	<set name="1975" value="190.700073" />
	<set name="1976" value="189.7024116" />
	<set name="1977" value="186.9272666" />
	<set name="1978" value="154.9845351" />
	<set name="1979" value="117.3949118" />
	<set name="1980" value="89.119615" />
	<set name="1981" value="92.44252" />
	<set name="1982" value="63.2536" />
	<set name="1983" value="66.623685" />
	<set name="1984" value="62.55984" />
	<set name="1985" value="78.95793" />
	<set name="1986" value="87.2436" />
	<set name="1987" value="93.003375" />
	<set name="1988" value="98.57847936" />
	<set name="1989" value="84.25964955" />
	<set name="1990" value="92.5036" />
	<set name="1991" value="81.53115334" />
	<set name="1992" value="83.23084041" />
	<set name="1993" value="90.86951886" />
	<set name="1994" value="90.27327" />
	<set name="1995" value="96.4801" />
	<set name="1996" value="105.1883" />
	<set name="1997" value="106.107" />
	<set name="1998" value="117.185" />
	<set name="1999" value="109.194" />
	<set name="2000" value="96.952" />
	<set name="2001" value="90.291" />
	<set name="2002" value="77.571" />
	<set name="2003" value="91.985" />
	<set name="2004" value="75.061" />
	<set name="2005" value="56.208" />
	<set name="2006" value="55.473" />
	<set name="2007" value="51.0927" />
	<set name="2008" value="50.617" />
	<set name="2009" value="11.102994" />
	<set name="2010" value="11.93" />
	<set name="2011" value="26.06" />
</graph>