EXHIBIT 12.1

Earnings to Fixed Charges
	2013		2014		2015		2016		2017
Earnings:
Income (loss) before taxes		85		67		122		308		449
Interest		244		221		191		291		269
Interest portion of rental expense		18		18		17		19		22
		347		306		330		618		740
Fixed Charges:
Interest		244		221		191		291		269
Interest capitalized		5		6		6		6		7
Interest portion of rental expense		18		18		17		19		22
		267		245		214		316		298
Ratio		1.3		1.2		1.5		2.0		2.5