Commercial real estate transactions in the Triangle totaled $1.83 billion last year, the highest dollar amount that the region has recorded since 2007, according to preliminary numbers tallied by real estate firm CBRE.

Apartment sales accounted for 63 percent of that total, reaching $1.16 billion last year.

CBRE's data includes all income property sales over $2 million. It does not include hotel, senior housing or land sales.

CBRE's tally includes 123 transactions, up from 79 in 2011.