The following data regarding net income (loss) are for Perkins Parts, a medium-sized automotive supplier, for the period 2004–2009.

Net Income
(Earnings)
($ millions)

Net Income
(Earnings)
($ millions)

1989

$860

1995

$4,139

1990

3,835

1996

4,446

1991

(2,258)

1997

6,920

1992

(7,385)

1998

22,071

1993

2,529

1999

7,237

1994

5,308

2000

3,467

Using 1989 as the base year, calculate the trend percentages, and comment on the results.