| Dec 31 2012 |
14700 |
474.92 |
| Dec 24 2012 |
14698 |
474.92 |
| Dec 17 2012 |
14724 |
474.92 |
| Dec 10 2012 |
14567 |
474.92 |
| Dec 03 2012 |
5833 |
369.18 |
| Nov 26 2012 |
3238 |
323.47 |
| Nov 19 2012 |
3310 |
323.47 |
| Nov 12 2012 |
2623 |
305.6 |
| Nov 05 2012 |
2643 |
305.6 |
| Oct 29 2012 |
2657 |
305 |
| Oct 22 2012 |
2512 |
300.6 |
| Oct 15 2012 |
2515 |
300.6 |
| Oct 02 2012 |
2548 |
300.6 |
| Sep 26 2012 |
2575 |
300.6 |
| Sep 20 2012 |
2552 |
300.6 |
| Sep 13 2012 |
2519 |
300.6 |
| Jan 19 2012 |
2280 |
303.45 |
| Dec 29 2011 |
2166 |
300.89 |
| Dec 13 2011 |
2158 |
300.88 |
| Dec 09 2011 |
2110 |
298.46 |
| Dec 01 2011 |
2121 |
298.99 |
| Nov 25 2011 |
2137 |
298.99 |
| Nov 17 2011 |
2241 |
302.67 |
| Nov 10 2011 |
2280 |
302.68 |
| Nov 04 2011 |
2476 |
308.61 |
| Oct 28 2011 |
2485 |
308.64 |
| Oct 21 2011 |
2544 |
308.72 |
| Oct 14 2011 |
2530 |
308.79 |
| Oct 07 2011 |
2539 |
310.98 |
| Sep 30 2011 |
3106 |
329.49 |
| Sep 27 2011 |
3070 |
329.54 |
| Sep 23 2011 |
3071 |
331.08 |
| Sep 16 2011 |
3810 |
351.41 |
| Sep 09 2011 |
3726 |
351.43 |
| Jan 13 2011 |
3731 |
351.82 |
| Dec 28 2010 |
3887 |
351.83 |
| Dec 14 2010 |
3866 |
351.84 |
| Dec 03 2010 |
4691 |
368.23 |
| Nov 26 2010 |
4682 |
368.24 |
| Nov 19 2010 |
4642 |
368.25 |
| Nov 12 2010 |
5724 |
390.44 |
| Nov 04 2010 |
6363 |
402.77 |
| Oct 28 2010 |
6153 |
402.88 |
| Oct 22 2010 |
6079 |
402.98 |
| Oct 14 2010 |
5989 |
403.11 |
| Oct 05 2010 |
6518 |
419.09 |
| Sep 29 2010 |
4577 |
381.96 |
| Sep 24 2010 |
4487 |
382.83 |
| Sep 17 2010 |
4351 |
382.83 |
| Sep 10 2010 |
4284 |
382.83 |
| Aug 15 2010 |
8544 |
485.19 |
| Jan 29 2010 |
4299 |
382.83 |
| Jan 15 2010 |
4266 |
382.83 |
| Jan 08 2010 |
4159 |
382.83 |
| Dec 18 2009 |
3927 |
382.83 |
| Dec 09 2009 |
2194 |
331.65 |
| Dec 04 2009 |
2143 |
331.65 |
| Nov 27 2009 |
2191 |
331.65 |
| Nov 20 2009 |
2113 |
331.65 |
| Nov 13 2009 |
1998 |
331.65 |
| Nov 06 2009 |
1978 |
331.65 |
| Oct 30 2009 |
2363 |
331.65 |
| Oct 23 2009 |
2263 |
331.65 |
