Between which two consecutive years did Kleya's income increase the most?
Kieya's Annual Income
2007
2006
2005
2004
2003
2002
2001
$15,000
$10,000
$5,000
$55,000
$50,000
$45,000
$40,000
$35,000
$30,000
$25,000
$20,000
room
2005 - 2006
2002 - 2003
2004 - 2005
2001 - 2002
Please help me
