$15
$10
Two profitable years,
2007 and 2014
$5
$0
–$5
–$10
1980
1990
2000
2010
2020
$15
$10
Two profitable years,
2007 and 2014
$5
$0
–$5
–$10
1980
1990
2000
2010
2020
$15
$10
Two profitable years,
2007 and 2014
$5
$0
–$5
–$10
1980
1990
2000
2010
2020
$15
$10
Two profitable years,
2007 and 2014
$5
$0
–$5
–$10
1980
1990
2000
2010
2020
$15
$10
Two profitable years,
2007 and 2014
$5
$0
–$5
–$10
1980
1990
2000
2010
2020