| December 31, 2017 | December 31, 2016 | December 31, 2015 |
| In millions of COP | ||
Assets | 2,698,224 | 2,009,382 | 1,550,219 |
Liabilities | 1,048,867 | 655,315 | 661,973 |
Net assets | 1,649,357 | 1,354,067 | 888,247 |
Condensed statement of income | | | |
Income | | | |
Valuation of investment properties | 81,816 | 52,543 | 94,810 |
Valuation of trust rights | 53,143 | 12,903 | 9,302 |
Rents | 135,135 | 120,811 | 104,379 |
Profits of equity method investees | 144,146 | - | - |
Other income | 4,493 | 2,616 | 19,318 |
Total Income | 418,733 | 188,873 | 227,809 |
Expenses | | | |
Interest on loans | 68,900 | 67,558 | 52,451 |
Trust fees | 322 | 9,004 | 8,819 |
Other expenses | 86,270 | 49,078 | 36,936 |
Total Expenses | 155,492 | 125,640 | 98,206 |
Net Income | 263,241 | 63,233 | 129,603 |
Condensed cash flow | | | |
Net cash (used in) provided by operating activities | (394) | (372) | (82) |
Net cash (used in) provided by investing activities | - | - | - |
Net cash (used in) provided by financing activities | 409 | 375 | 82 |
Cash and cash equivalents at beginning of year | 3 | - | - |
Cash and cash equivalents at end of year | 18 | 3 | - |