how much did gold increase from september 2007 to august 2011

XAU/USD returned 170.9% between September 1, 2007 and August 31, 2011.

DATE OPEN HIGH LOW CLOSE
Week of August 29 2011
$1,837.84
$1,840.26
$1,776.64
$1,823.80
Week of August 22 2011
$1,859.89
$1,911.96
$1,703.45
$1,828.55
Week of August 15 2011
$1,746.25
$1,877.50
$1,728.01
$1,852.45
Week of August 08 2011
$1,662.75
$1,815.79
$1,662.67
$1,746.60
Week of August 01 2011
$1,628.14
$1,682.17
$1,609.69
$1,665.00
Week of July 25 2011
$1,599.28
$1,632.80
$1,599.28
$1,626.64
Week of July 18 2011
$1,595.45
$1,610.01
$1,582.59
$1,599.25
Week of July 11 2011
$1,544.05
$1,595.65
$1,541.90
$1,594.10
Week of July 04 2011
$1,486.50
$1,547.30
$1,485.91
$1,544.25
Week of June 27 2011
$1,500.50
$1,514.21
$1,480.01
$1,486.50
Week of June 20 2011
$1,538.90
$1,559.75
$1,500.41
$1,502.15
Week of June 13 2011
$1,530.50
$1,542.15
$1,511.61
$1,539.50
Week of June 06 2011
$1,544.59
$1,555.30
$1,527.74
$1,531.90
Week of May 30 2011
$1,537.24
$1,550.64
$1,521.60
$1,542.50
Week of May 23 2011
$1,512.60
$1,540.10
$1,504.05
$1,536.65
Week of May 16 2011
$1,493.75
$1,517.55
$1,473.50
$1,513.55
Week of May 09 2011
$1,493.26
$1,526.80
$1,479.30
$1,494.55
Week of May 02 2011
$1,567.79
$1,576.29
$1,464.40
$1,495.25
Week of April 25 2011
$1,511.45
$1,571.30
$1,493.00
$1,565.60
Week of April 18 2011
$1,486.43
$1,512.95
$1,477.59
$1,508.13
Week of April 11 2011
$1,473.55
$1,489.90
$1,443.89
$1,486.50
Week of April 04 2011
$1,428.74
$1,476.85
$1,427.79
$1,475.10
Week of March 28 2011
$1,427.85
$1,441.30
$1,411.95
$1,428.38
Week of March 21 2011
$1,426.46
$1,449.40
$1,422.79
$1,429.65
Week of March 14 2011
$1,422.09
$1,433.89
$1,382.90
$1,419.55