table of contents sl green realty corp . and sl green operating partnership , l.p . notes to consolidated financial statements ( cont. ) december 31 , 2018 pricing models , replacement cost , and termination cost are used to determine fair value . all methods of assessing fair value result in a general approximation of value , and such value may never actually be realized . in the normal course of business , we are exposed to the effect of interest rate changes and limit these risks by following established risk management policies and procedures including the use of derivatives . to address exposure to interest rates , derivatives are used primarily to fix the rate on debt based on floating-rate indices and manage the cost of borrowing obligations . we use a variety of conventional derivative products . these derivatives typically include interest rate swaps , caps , collars and floors . we expressly prohibit the use of unconventional derivative instruments and using derivative instruments for trading or speculative purposes . further , we have a policy of only entering into contracts with major financial institutions based upon their credit ratings and other factors . we may employ swaps , forwards or purchased options to hedge qualifying forecasted transactions . gains and losses related to these transactions are deferred and recognized in net income as interest expense in the same period or periods that the underlying transaction occurs , expires or is otherwise terminated . hedges that are reported at fair value and presented on the balance sheet could be characterized as cash flow hedges or fair value hedges . interest rate caps and collars are examples of cash flow hedges . cash flow hedges address the risk associated with future cash flows of interest payments . for all hedges held by us and which were deemed to be fully effective in meeting the hedging objectives established by our corporate policy governing interest rate risk management , no net gains or losses were reported in earnings . the changes in fair value of hedge instruments are reflected in accumulated other comprehensive income . for derivative instruments not designated as hedging instruments , the gain or loss , resulting from the change in the estimated fair value of the derivative instruments , is recognized in current earnings during the period of change . earnings per share of the company the company presents both basic and diluted earnings per share , or eps , using the two-class method , which is an earnings allocation formula that determines eps for common stock and any participating securities according to dividends declared ( whether paid or unpaid ) . under the two-class method , basic eps is computed by dividing the income available to common stockholders by the weighted-average number of common stock shares outstanding for the period . basic eps includes participating securities , consisting of unvested restricted stock that receive nonforfeitable dividends similar to shares of common stock . diluted eps reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock , where such exercise or conversion would result in a lower eps amount . diluted eps also includes units of limited partnership interest . the dilutive effect of stock options is reflected in the weighted average diluted outstanding shares calculation by application of the treasury stock method . there was no dilutive effect for the exchangeable senior notes as the conversion premium was to be paid in cash . earnings per unit of the operating partnership the operating partnership presents both basic and diluted earnings per unit , or epu , using the two-class method , which is an earnings allocation formula that determines epu for common units and any participating securities according to dividends declared ( whether paid or unpaid ) . under the two-class method , basic epu is computed by dividing the income available to common unitholders by the weighted-average number of common units outstanding for the period . basic epu includes participating securities , consisting of unvested restricted units that receive nonforfeitable dividends similar to shares of common units . diluted epu reflects the potential dilution that could occur if securities or other contracts to issue common units were exercised or converted into common units , where such exercise or conversion would result in a lower epu amount . the dilutive effect of unit options is reflected in the weighted average diluted outstanding units calculation by application of the treasury stock method . there was no dilutive effect for the exchangeable senior notes as the conversion premium was to be paid in cash . use of estimates the preparation of financial statements in conformity with accounting principles generally accepted in the united states requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes . actual results could differ from those estimates . concentrations of credit risk financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments , debt and preferred equity investments and accounts receivable . we place our cash investments with high quality financial institutions . the collateral securing our debt and preferred equity investments is located in the new york metropolitan area . see note 5 , "debt and preferred equity investments." table of contents sl green realty corp . and sl green operating partnership , l.p . notes to consolidated financial statements ( cont. ) december 31 , 2018 we perform ongoing credit evaluations of our tenants and require most tenants to provide security deposits or letters of credit . though these security deposits and letters of credit are insufficient to meet the total value of a tenant's lease obligation , they are a measure of good faith and a source of funds to offset the economic costs associated with lost revenue and the costs associated with re-tenanting a space . the properties in our real estate portfolio are located in the new york metropolitan area . the tenants located in our buildings operate in various industries . other than one tenant , credit suisse securities ( usa ) , inc. , who accounts for 8.2% ( 8.2 % ) of our share of annualized cash rent , no other tenant in our portfolio accounted for more than 5.0% ( 5.0 % ) of our share of annualized cash rent , including our share of joint venture annualized cash rent , at december 31 , 2018 . for the years ended december 31 , 2018 , 2017 , and 2016 , the following properties contributed more than 5.0% ( 5.0 % ) of our annualized cash rent , including our share of joint venture annualized cash rent: .
did credit suisse securities ( usa ) account for a greater % (  % ) of our share of annualized cash rent than the largest other property in 2018?
as of december 31 , 2018 , 68.7% ( 68.7 % ) of our work force is covered by six collective bargaining agreements and 56.0% ( 56.0 % ) of our work force , which services substantially all of our properties , is covered by collective bargaining agreements that expire in december 2019 . see note 19 , "benefits plans." reclassification certain prior year balances have been reclassified to conform to our current year presentation . accounting standards updates in october 2018 , the fasb issued accounting standard update ( asu ) no . 2018-17 , consolidation ( topic 810 ) , targeted improvements to related party guidance for variable interest entities . under this amendment reporting entities , when determining if the decision-making fees are variable interests , are to consider indirect interests held through related parties under common control on a proportional basis rather than as a direct interest in its entirety . the guidance is effective for the company for fiscal years beginning after december 15 , 2019 . early adoption is permitted . the company has adopted this guidance and it had no impact on the company 2019s consolidated financial statements . in august 2018 , the securities and exchange commission adopted a final rule that eliminated or amended disclosure requirements that were redundant or outdated in light of changes in its requirements , generally accepted accounting principles , or changes in the business environment . the commission also referred certain disclosure requirements to the financial accounting standards board for potential incorporation into generally accepted accounting principles . the rule is effective for filings after november 5 , 2018 . the company assessed the impact of this rule and determined that the changes resulted in clarification or expansion of existing requirements . the company early adopted the rule upon publication to the federal register on october 5 , 2018 and it did not have a material impact on the company 2019s consolidated financial statements . in august 2018 , the fasb issued accounting standard update ( asu ) no . 2018-15 , intangibles - goodwill and other- internal-use software ( topic 350-40 ) , customer 2019s accounting for implementation costs incurred in a cloud computing arrangement that is a service contract . the amendments provide guidance on accounting for fees paid when the arrangement includes a software license and align the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing costs to develop or obtain internal-use software . the guidance is effective for the company for fiscal years beginning after december 15 , 2019 . early adoption is permitted . the company has not yet adopted this new guidance and does not expect it to have a material impact on the company 2019s consolidated financial statements when the new standard is implemented . in august 2018 , the fasb issued asu no . 2018-13 , fair value measurement ( topic 820 ) , disclosure framework - changes to the disclosure requirements for fair value measurement . this amendment removed , modified and added the disclosure requirements under topic 820 . the changes are effective for the company for fiscal years beginning after december 15 , 2019 . early adoption is permitted for the removed or modified disclosures with adoption of the additional disclosures upon the effective date . the company has not yet adopted this new guidance and does not expect it to have a material impact on the company 2019s consolidated financial statements when the new standard is implemented. .