Operating Data. Following is summary consolidated operating data for the South America mining operations for the fourth quarters and years ended 2012 and 2011:
|Three Months Ended||Years Ended|
|December 31,||December 31,|
|Copper (millions of recoverable pounds)|
|Average realized price per pound||$||3.60||$||3.45||$||3.58||$||3.77|
|Gold (thousands of recoverable ounces)|
|Average realized price per ounce||$||1,686||$||1,626||$||1,673||$||1,580|
|Molybdenum (millions of recoverable pounds)|
|Unit net cash costs per pound of copper:|
|Site production and delivery, excluding adjustments||$||1.67||b||$||1.56||b||$||1.60||b||$||1.38||b|
|Unit net cash costs c||$||1.54||$||1.44||$||1.50||$||1.20|
a. Reflects molybdenum production from Cerro Verde. Sales of molybdenum are reflected in the Molybdenum division (refer to page 9).
b. The 2012 periods include $16 million ($0.04 per pound of copper for fourth-quarter 2012 and $0.01 per pound for the year 2012) associated with labor agreement costs at Candelaria. The 2011 periods include $50 million ($0.14 per pound of copper for fourth-quarter 2011 and $0.04 per pound for the year 2011) associated with bonuses paid at Cerro Verde and El Abra pursuant to the new labor agreements.
c. For a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in FCX's consolidated financial statements, refer to the supplemental schedule, “Product Revenues and Production Costs,” beginning on page VII, which is also available on FCX's website, “ www.fcx.com .”Copper sales from South America mining totaled 350 million pounds in fourth-quarter 2012 and 357 million pounds in fourth-quarter 2011.