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eog resources, inc. supplemental information to consolidated financial statements (continued) capitalized costs relating to oil and gas producing activities. the following table sets forth the capitalized costs relating to eog's crude oil and natural gas producing activities at december 31, 2018 and 2017:.
|  | 2018 | 2017 |
| --------- | --------- | --------- |
| Proved properties | $53,624,809 | $48,845,672 |
| Unproved properties | 3,705,207 | 3,710,069 |
| Total | 57,330,016 | 52,555,741 |
| Accumulated depreciation, depletion and amortization | (31,674,085) | (29,191,247) |
| Net capitalized costs | $25,655,931 | $23,364,494 |
costs incurred in oil and gas property acquisition, exploration and development activities. the acquisition, exploration and development costs disclosed in the following tables are in accordance with definitions in the extractive industries - oil and gas topic of the accounting standards codification (asc). acquisition costs include costs incurred to purchase, lease or otherwise acquire property. exploration costs include additions to exploratory wells, including those in progress, and exploration expenses. development costs include additions to production facilities and equipment and additions to development wells, including those in progress. .
Please answer the following questions with expressions if necessary.
how much did the net capitalized costs in 2018 represent in relation to the ones in 2017?
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divide(25655931, 23364494)
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and what is this value without the portion equivalent to the 2017 costs?
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divide(25655931, 23364494), subtract(#0, const_1)
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in that same period, what was the change in the accumulated depreciation depletion and amortization?
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subtract(31674085, 29191247)