@Blickers,
												Year 1950       1951       1952       1953       1954       1955       1956       1957       1958       1959       1960       1961       1962       1963       1964       1965       1966       1967       1968       1969       1970       1971       1972       1973       1974       1975       1976       1977       1978       1979       1980       1981       1982       1983       1984       1985       1986       1987       1988       1989       1990       1991       1992       1993       1994       1995       1996       1997       1998       1999       2000       2001       2002       2003       2004       2005       2006       2007    
Gross domestic product 293.8 339.3 358.3 379.4 380.4 414.8 437.5 461.1 467.2 506.6 526.4 544.7 585.6 617.7 663.6 719.1 787.8 832.6 910.0 984.6 1,038.5 1,127.1 1,238.3 1,382.7 1,500.0 1,638.3 1,825.3 2,030.9 2,294.7 2,563.3 2,789.5 3,128.4 3,255.0 3,536.7 3,933.2 4,220.3 4,462.8 4,739.5 5,103.8 5,484.4 5,803.1 5,995.9 6,337.7 6,657.4 7,072.2 7,397.7 7,816.9 8,304.3 8,747.0 9,268.4 9,817.0 10,128.0 10,469.6 10,960.8 11,685.9 12,421.9 13,178.4 13,807.5 
Seems to me GDP went from $9817B to $138o7B in those years.  
Here are the year over year numbers, 1950-2007, % change in GNP
1.0
7.4
15.1
7.8
3.9
-0.9
-5.3
-0.7
0.7
5.2
9.4
14.2
8.5
8.6
6.4
2.2
5.6
4.7
8.3
8.4
1.7
6.5
-4.1
-6.4
3.7
12.5
11.7
8.9
10.9
0.7
3.1
11.1
-0.6
2.2
-4.0
3.3
8.7
8.0
9.9
9.9
5.1
4.7
2.3
6.3
5.9
8.6
6.3
10.6
5.8
7.2
3.1
12.4
7.4
10.0
12.9
13.1
4.8
7.1
These are from the BEA:  
http://www.bea.gov/
Not sure where you get your numbers from.