Year

Average Selling Price

Percentage change

1956

$ 13,351

1957

$ 14,230

6.6

1958

$ 15,564

9.3

1959

$ 16,038

3.1

1960

$ 16,791

4.7

1961

$ 16,070

-4.3

1962

$ 15,952

-0.7

1963

$ 16,549

3.7

1964

$ 16,563

0.1

1965

$ 17,056

3.0

1966

$ 18,004

5.6

1967

$ 19,476

8.2

1968

$ 23,329

19.8

1969

$ 25,652

10.0

1970

$ 26,532

3.4

1971

$ 27,808

4.8

1972

$ 30,576

10.0

1973

$ 38,305

25.3

1974

$ 46,661

21.8

1975

$ 49,633

6.4

1976

$ 54,623

10.1

1977

$ 57,032

4.4

1978

$ 59,134

3.7

1979

$ 61,896

4.7

1980

$ 62,748

1.4

1981

$ 64,896

3.4

1982

$ 71,080

9.5

1983

$ 86,245

21.3

1984

$102,084

18.4

1985

$107,306

5.1

1986

$111,643

4.0

1987

$119,612

7.1

1988

$128,434

7.4

1989

$137,455

7.0

1990

$141,438

2.9

1991

$143,361

1.4

1992

$143,868

0.4

1993

$148,129

3.0

1994

$147,543

-0.4

1995

$143,193

-2.9

1996

$140,513

-1.9

1997

$143,873

2.4

1998

$143,953

0.1

1999

$149,650

2.4

2000

$159,511

6.6

2001

$175,971

10.3

2002

$200,711

14.1

2003

$218,692

9.0

2004

$235,678

7.8

2005

$244,531

3.8

2006

$255,889

4.7

2007

$272,618

6.4

2008

$289,766

6.3

2009

$303,888

4.9