pre_text: american tower corporation and subsidiaries notes to consolidated financial statements loss on retirement of long-term obligations 2014loss on retirement of long-term obligations primarily includes cash paid to retire debt in excess of its carrying value , cash paid to holders of convertible notes in connection with note conversions and non-cash charges related to the write-off of deferred financing fees . loss on retirement of long-term obligations also includes gains from repurchasing or refinancing certain of the company 2019s debt obligations . earnings per common share 2014basic and diluted 2014basic income from continuing operations per common share for the years ended december 31 , 2012 , 2011 and 2010 represents income from continuing operations attributable to american tower corporation divided by the weighted average number of common shares outstanding during the period . diluted income from continuing operations per common share for the years ended december 31 , 2012 , 2011 and 2010 represents income from continuing operations attributable to american tower corporation divided by the weighted average number of common shares outstanding during the period and any dilutive common share equivalents , including unvested restricted stock , shares issuable upon exercise of stock options and warrants as determined under the treasury stock method and upon conversion of the company 2019s convertible notes , as determined under the if-converted method . retirement plan 2014the company has a 401 ( k ) plan covering substantially all employees who meet certain age and employment requirements . the company 2019s matching contribution for the years ended december 31 , 2012 , 2011 and 2010 is 50% ( 50 % ) up to a maximum 6% ( 6 % ) of a participant 2019s contributions . for the years ended december 31 , 2012 , 2011 and 2010 , the company contributed approximately $ 4.4 million , $ 2.9 million and $ 1.9 million to the plan , respectively . 2 . prepaid and other current assets prepaid and other current assets consist of the following as of december 31 , ( in thousands ) : .
post_text: ( 1 ) december 31 , 2011 balances have been revised to reflect purchase accounting measurement period adjustments. .
table: 2012 2011 (1)
table: Prepaid income tax $57,665 $31,384
table: Prepaid operating ground leases 56,916 49,585
table: Value added tax and other consumption tax receivables 22,443 81,276
table: Prepaid assets 19,037 28,031
table: Other miscellaneous current assets 66,790 59,997
table: Balance as of December 31, $222,851 $250,273
question: Analyse this data from a financial earnings document. for 2012 , tax related assets were how much of total current assets and prepaids?\\n\\n