Please answer the given financial question based on the context.
Context: american tower corporation and subsidiaries notes to consolidated financial statements acquisition accounting upon closing of the acquisition . based on current estimates , the company expects the value of potential contingent consideration payments required to be made under these agreements to be between zero and $ 4.4 million . during the year ended december 31 , 2014 , the company ( i ) recorded a decrease in fair value of $ 1.7 million in other operating expenses in the accompanying consolidated statements of operations , ( ii ) recorded settlements under these agreements of $ 3.5 million , ( iii ) reduced its contingent consideration liability by $ 0.7 million as a portion of the company 2019s obligations was assumed by the buyer in conjunction with the sale of operations in panama and ( iv ) recorded additional liability of $ 0.1 million . as a result , the company estimates the value of potential contingent consideration payments required under these agreements to be $ 2.3 million using a probability weighted average of the expected outcomes as of december 31 , 2014 . other u.s . 2014in connection with other acquisitions in the united states , the company is required to make additional payments if certain pre-designated tenant leases commence during a specified period of time . during the year ended december 31 , 2014 , the company recorded $ 6.3 million of contingent consideration liability as part of the preliminary acquisition accounting upon closing of certain acquisitions . during the year ended december 31 , 2014 , the company recorded settlements under these agreements of $ 0.4 million . based on current estimates , the company expects the value of potential contingent consideration payments required to be made under these agreements to be between zero and $ 5.9 million and estimates it to be $ 5.9 million using a probability weighted average of the expected outcomes as of december 31 , 2014 . for more information regarding contingent consideration , see note 12 . 7 . accrued expenses accrued expenses consists of the following as of december 31 , ( in thousands ) : .
||2014|2013 ( 1 )|
|accrued property and real estate taxes|$ 61206|$ 54529|
|payroll and related withholdings|57110|50843|
|accrued construction costs|46024|52446|
|accrued rent|34074|28456|
|other accrued expenses|219340|234914|
|balance as of december 31,|$ 417754|$ 421188|
( 1 ) december 31 , 2013 balances have been revised to reflect purchase accounting measurement period adjustments. .
Question: what was the increase in payroll and related withholdings in 2014 , in millions?


Answer: The answer is:6267.0