| 15.19 | 14.56 | 14.67 | -0.37 | 5.81 | 5.53 |  | 
Depreciation & Amortization      | 2.41 | 2.6 | 2.83 | 2.82 | 2.59 | 1.64 |  | 
Loss (Gain) From Sale of Assets      | 0.01 | 0.01 | 0.16 | - | - | - |  | 
Loss (Gain) From Sale of Investments      | -1.65 | -2.41 | -4.32 | 7.26 | -3.69 | 1.34 |  | 
 | - | - | - | - | - | 0.07 |  | 
Provision & Write-off of Bad Debts      | - | - | 0.29 | 0.19 | 0.05 | 0.05 |  | 
Other Operating Activities      | 1.51 | 1.12 | -0.27 | -4.87 | -2.24 | 11.86 |  | 
Change in Accounts Receivable      | -9.76 | -7.34 | 0.85 | -0.78 | 3.82 | 6.99 |  | 
 | 10.36 | 7.77 | -15.71 | -13.93 | -4.41 | -1.72 |  | 
Change in Accounts Payable      | 0.19 | -1.27 | -0.98 | 1.15 | 1.38 | -0.18 |  | 
Change in Unearned Revenue      | -0.13 | -1.8 | 0.95 | 0.62 | 1.39 | 1.94 |  | 
Change in Other Net Operating Assets      | 0.63 | -0.68 | 2.37 | -1.23 | -0.87 | -0.75 |  | 
 | 0.12 | 9.29 | 10.2 | -9.14 | 3.82 | 26.77 |  | 
Operating Cash Flow Growth      | -99.50% | -8.88% | - | - | -85.73% | 543.14% |  | 
 | -1.03 | -0.84 | -2.75 | -4.52 | -2.66 | -1.6 |  | 
 | - | - | - | - | -13.78 | - |  | 
 | -1.03 | -0.84 | -2.75 | -4.52 | -16.44 | -1.6 |  | 
 | - | - | - | - | 0.26 | 0.1 |  | 
 | - | - | - | - | 0.26 | 0.1 |  | 
 | -0.91 | 8.45 | 7.45 | -13.65 | -12.35 | 25.28 |  | 
 | -0.91 | 8.45 | 7.45 | -13.65 | 1.16 | 25.18 |  | 
 | - | 13.44% | - | - | -95.39% | 1122.88% |  | 
 | -0.77% | 7.47% | 7.09% | -13.19% | 1.36% | 32.52% |  | 
 | -0.06 | 0.58 | 0.51 | -0.93 | 0.08 | 1.71 |  | 
 | 7.86 | 7.86 | 2.3 | 2.39 | 1.96 | 3.85 |  | 
 | 12.35 | 6.99 | -3.76 | -13.07 | -8.76 | 9.91 |  | 
 | 12.35 | 6.99 | -3.76 | -13.07 | -8.76 | 9.91 |  | 
Change in Working Capital      | -17.36 | -6.59 | -3.16 | -14.17 | 1.3 | 6.28 |  |