what is the ratio of operating cash flow to total debt in 2016?
item 7 . management 2019s discussion and analysis of financial condition and results of operations introduction the following discussion and analysis presents management 2019s perspective of our business , financial condition and overall performance . this information is intended to provide investors with an understanding of our past performance , current financial condition and outlook for the future and should be read in conjunction with 201citem 8 . financial statements and supplementary data 201d of this report . overview of 2017 results during 2017 , we generated solid operating results with our strategy of operating in north america 2019s best resource plays , delivering superior execution , continuing disciplined capital allocation and maintaining a high degree of financial strength . led by our development in the stack and delaware basin , we continued to improve our 90-day initial production rates . with investments in proprietary data tools , predictive analytics and artificial intelligence , we are delivering industry-leading , initial-rate well productivity performance and improving the performance of our established wells . compared to 2016 , commodity prices increased significantly and were the primary driver for improvements in devon 2019s earnings and cash flow during 2017 . we exited 2017 with liquidity comprised of $ 2.7 billion of cash and $ 2.9 billion of available credit under our senior credit facility . we have no significant debt maturities until 2021 . we further enhanced our financial strength by completing approximately $ 415 million of our announced $ 1 billion asset divestiture program in 2017 . we anticipate closing the remaining divestitures in 2018 . in 2018 and beyond , we have the financial capacity to further accelerate investment across our best-in-class u.s . resource plays . we are increasing drilling activity and will continue to shift our production mix to high-margin products . we will continue our premier technical work to drive capital allocation and efficiency and industry- leading well productivity results . we will continue to maximize the value of our base production by sustaining the operational efficiencies we have achieved . finally , we will continue to manage activity levels within our cash flows . we expect this disciplined approach will position us to deliver capital-efficient , cash-flow expansion over the next two years . key measures of our financial performance in 2017 are summarized in the following table . increased commodity prices as well as continued focus on our production expenses improved our 2017 financial performance as compared to 2016 , as seen in the table below . more details for these metrics are found within the 201cresults of operations 2013 2017 vs . 2016 201d , below. .

|  | 2017 | Change | 2016* | Change | 2015* |
| :--- | :--- | :--- | :--- | :--- | :--- |
| Net earnings (loss) attributable to Devon | $898 | +185% | $(1,056) | +92% | $(12,896) |
| Net earnings (loss) per diluted share attributable to Devon | $1.70 | +181% | $(2.09) | +93% | $(31.72) |
| Core earnings (loss) attributable to Devon<sup>(1)</sup> | $427 | +217% | $(367) | - 430% | $111 |
| Core earnings (loss) per diluted share attributable to Devon<sup>(1)</sup> | $0.81 | +210% | $(0.73) | - 382% | $0.26 |
| Retained production (MBoe/d) | 541 | - 4% | 563 | - 3% | 580 |
| Total production (MBoe/d) | 543 | - 11% | 611 | - 10% | 680 |
| Realized price per Boe<sup>(2)</sup> | $25.96 | +39% | $18.72 | - 14% | $21.68 |
| Operating cash flow | $2,909 | +94% | $1,500 | - 69% | $4,898 |
| Capitalized expenditures, including acquisitions | $2,937 | - 25% | $3,908 | - 32% | $5,712 |
| Shareholder and noncontrolling interests distributions | $481 | - 8% | $525 | - 19% | $650 |
| Cash and cash equivalents | $2,673 | +36% | $1,959 | - 15% | $2,310 |
| Total debt | $10,406 | +2% | $10,154 | - 22% | $13,032 |
| Reserves (MMBoe) | 2,152 | +5% | 2,058 | - 6% | 2,182 |

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total_debt_2017 = 10154
total_debt_2016 = 10154
ratio_of_operating_to_total_debt = 10154 / 1500
answer = ratio_of_operating_to_total_debt