TTM20162015201420132012
Stores435413391362321300
Store growth7.7%5.9%8.0%12.8%7.0%7.1%
Total gross square feet (M)2,1492,0091,8541,6521,3721,264
Total gross square feet growth10.6%8.8%12.2%20.5%8.5%9.7%
Avg store gross sq ft4,9004,9004,7004,6004,3004,200
Avg store gross sq ft growth2.7%2.8%3.9%6.8%1.4%2.4%

Notes:calculated based on reported square footage range by concept and an eMarketer estimate that concept stores average 2,500 square feet, factory outlet stores average 4,000 square feet and warehouse outlet stores average 8,000 square feet