| 860.77 | 872.31 | 869.41 | 359.46 | 395.49 |  | 
Depreciation & Amortization      | 2,430 | 1,957 | 1,726 | 897.84 | 677.04 |  | 
 | 23.94 | 26.67 | 15.61 | 12.33 | 11 |  | 
Gain (Loss) on Sale of Assets      | -117.28 | -25.67 | -102.96 | -55.8 | -76.23 |  | 
Gain (Loss) on Sale of Investments      | - | - | - | 2.91 | 4.35 |  | 
 | 425.83 | 87.08 | 25.86 | 38.97 | 147.23 |  | 
 | 57.49 | 26.23 | 21.62 | 41.77 | 16.5 |  | 
Income (Loss) on Equity Investments      | 13.25 | 3.26 | 8.05 | -0.74 | - |  | 
Change in Accounts Receivable      | 28.08 | -111.29 | -29.52 | -38.29 | -79.24 |  | 
Change in Accounts Payable      | 2.61 | 285.29 | -5.29 | -24.71 | 29.65 |  | 
Other Operating Activities      | -151.76 | -161.8 | 35.09 | 88.47 | -10.25 |  | 
 | 3,573 | 2,959 | 2,564 | 1,322 | 1,116 |  | 
Operating Cash Flow Growth      | 20.77% | 15.40% | 93.91% | 18.52% | 4.36% |  | 
Acquisition of Real Estate Assets      | -3,384 | -8,122 | -8,982 | -6,332 | -2,292 |  | 
Sale of Real Estate Assets      | 589.45 | 117.35 | 436.12 | 250.54 | 259.46 |  | 
Net Sale / Acq. of Real Estate Assets      | -2,794 | -8,005 | -8,546 | -6,082 | -2,032 |  | 
 | 93.68 | - | - | -366.03 | - |  | 
Investment in Marketable & Equity Securities      | -70.38 | -1,175 | 109.49 | 38.35 | - |  | 
Other Investing Activities      | 59.86 | 27.08 | 49.27 | -28.39 | - |  | 
 | -3,343 | -9,355 | -8,387 | -6,438 | -2,032 |  | 
 | 39,545 | 82,607 | 30,694 | 10,116 | 5,729 |  | 
 | -38,369 | -79,420 | -27,747 | -9,275 | -4,856 |  | 
 | 1,176 | 3,187 | 2,947 | 840.69 | 872.99 |  | 
 | 1,755 | 5,451 | 4,568 | 4,454 | 1,833 |  | 
Preferred Share Repurchases      | -172.51 | - | - | - | - |  | 
 | -2,692 | -2,112 | -1,813 | -1,169 | -964.17 |  | 
 | -7.76 | - | - | - | - |  | 
 | -2,699 | -2,112 | -1,813 | -1,169 | -964.17 |  | 
Other Financing Activities      | -79.61 | -88.79 | 36.88 | 451.5 | -49.67 |  | 
Foreign Exchange Rate Adjustments      | -5.9 | 24.02 | -20.51 | 20.08 | 4.43 |  | 
 | 203.33 | 65.29 | -105.49 | -518.31 | 779.67 |  | 
 | 970.01 | 692 | 501.72 | 355.48 | 285.62 |  | 
 | 32.28 | 12.28 | 45.03 | 19.68 | 13.13 |  | 
 | 2,691 | 1,818 | 1,691 | 1,051 | 973.77 |  | 
 | 3,303 | 2,248 | 1,966 | 1,241 | 1,156 |  | 
Change in Working Capital      | 30.69 | 174.01 | -34.81 | -63.01 | -49.6 |  |