Financial report context:
zimmer biomet holdings , inc . and subsidiaries 2018 form 10-k annual report notes to consolidated financial statements ( continued ) default for unsecured financing arrangements , including , among other things , limitations on consolidations , mergers and sales of assets . financial covenants under the 2018 , 2016 and 2014 credit agreements include a consolidated indebtedness to consolidated ebitda ratio of no greater than 5.0 to 1.0 through june 30 , 2017 , and no greater than 4.5 to 1.0 thereafter . if our credit rating falls below investment grade , additional restrictions would result , including restrictions on investments and payment of dividends . we were in compliance with all covenants under the 2018 , 2016 and 2014 credit agreements as of december 31 , 2018 . as of december 31 , 2018 , there were no borrowings outstanding under the multicurrency revolving facility . we may , at our option , redeem our senior notes , in whole or in part , at any time upon payment of the principal , any applicable make-whole premium , and accrued and unpaid interest to the date of redemption , except that the floating rate notes due 2021 may not be redeemed until on or after march 20 , 2019 and such notes do not have any applicable make-whole premium . in addition , we may redeem , at our option , the 2.700% ( 2.700 % ) senior notes due 2020 , the 3.375% ( 3.375 % ) senior notes due 2021 , the 3.150% ( 3.150 % ) senior notes due 2022 , the 3.700% ( 3.700 % ) senior notes due 2023 , the 3.550% ( 3.550 % ) senior notes due 2025 , the 4.250% ( 4.250 % ) senior notes due 2035 and the 4.450% ( 4.450 % ) senior notes due 2045 without any make-whole premium at specified dates ranging from one month to six months in advance of the scheduled maturity date . the estimated fair value of our senior notes as of december 31 , 2018 , based on quoted prices for the specific securities from transactions in over-the-counter markets ( level 2 ) , was $ 7798.9 million . the estimated fair value of japan term loan a and japan term loan b , in the aggregate , as of december 31 , 2018 , based upon publicly available market yield curves and the terms of the debt ( level 2 ) , was $ 294.7 million . the carrying values of u.s . term loan b and u.s . term loan c approximate fair value as they bear interest at short-term variable market rates . we entered into interest rate swap agreements which we designated as fair value hedges of underlying fixed-rate obligations on our senior notes due 2019 and 2021 . these fair value hedges were settled in 2016 . in 2016 , we entered into various variable-to-fixed interest rate swap agreements that were accounted for as cash flow hedges of u.s . term loan b . in 2018 , we entered into cross-currency interest rate swaps that we designated as net investment hedges . the excluded component of these net investment hedges is recorded in interest expense , net . see note 13 for additional information regarding our interest rate swap agreements . we also have available uncommitted credit facilities totaling $ 55.0 million . at december 31 , 2018 and 2017 , the weighted average interest rate for our borrowings was 3.1 percent and 2.9 percent , respectively . we paid $ 282.8 million , $ 317.5 million , and $ 363.1 million in interest during 2018 , 2017 , and 2016 , respectively . 12 . accumulated other comprehensive ( loss ) income aoci refers to certain gains and losses that under gaap are included in comprehensive income but are excluded from net earnings as these amounts are initially recorded as an adjustment to stockholders 2019 equity . amounts in aoci may be reclassified to net earnings upon the occurrence of certain events . our aoci is comprised of foreign currency translation adjustments , including unrealized gains and losses on net investment hedges , unrealized gains and losses on cash flow hedges , and amortization of prior service costs and unrecognized gains and losses in actuarial assumptions on our defined benefit plans . foreign currency translation adjustments are reclassified to net earnings upon sale or upon a complete or substantially complete liquidation of an investment in a foreign entity . unrealized gains and losses on cash flow hedges are reclassified to net earnings when the hedged item affects net earnings . amounts related to defined benefit plans that are in aoci are reclassified over the service periods of employees in the plan . see note 14 for more information on our defined benefit plans . the following table shows the changes in the components of aoci , net of tax ( in millions ) : foreign currency translation hedges defined benefit plan items .

Financial table:
foreign currency translation: balance december 31 2017; cash flow hedges: $ 121.5; defined benefit plan items: $ -66.5 ( 66.5 ); total aoci: $ -138.2 ( 138.2 ); column_5: $ -83.2 ( 83.2 )
foreign currency translation: aoci before reclassifications; cash flow hedges: -135.4 ( 135.4 ); defined benefit plan items: 68.2; total aoci: -29.7 ( 29.7 ); column_5: -96.9 ( 96.9 )
foreign currency translation: reclassifications to retained earnings ( note 2 ); cash flow hedges: -17.4 ( 17.4 ); defined benefit plan items: -4.4 ( 4.4 ); total aoci: -21.1 ( 21.1 ); column_5: -42.9 ( 42.9 )
foreign currency translation: reclassifications; cash flow hedges: -; defined benefit plan items: 23.6; total aoci: 12.0; column_5: 35.6
foreign currency translation: balance december 31 2018; cash flow hedges: $ -31.3 ( 31.3 ); defined benefit plan items: $ 20.9; total aoci: $ -177.0 ( 177.0 ); column_5: $ -187.4 ( 187.4 )

Additional report context:
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Question: what percentage of aoci at december 31 , 2018 is attributed to defined benefit plan items?
Answer: 94%