The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005.

year	make	model	mileage	price
2004	Honda	Odyssey EXL	20	26900
2004	Honda	Odyssey EX	21	23000
2002	Honda	Odyssey	33	17500
2002	Honda	Odyssey	41	18999
2001	Honda	Odyssey EX	43	17200
2001	Honda	Odyssey EX	67	18995
2000	Honda	Odyssey LX	46	13900
2000	Honda	Odyssey EX	72	15250
2000	Honda	Odyssey EX	82	13200
2000	Honda	Odyssey	99	11000
1999	Honda	Odyssey	71	13900
1998	Honda	Odyssey	85	8350
1995	Honda	Odyssey EX	100	5800

Compute the correlation between age (in years) and price for these minivans. (Assume the correlation conditions have been satisfied and round your answer to the nearest 0.001.)