- United States7
- Canada, Saskatchewan, Saskatoon1
- Chile1
- Soviet Union1
- United States, Georgia, Fulton County1
- United States, Georgia, Fulton County, Atlanta1
- United States, North Carolina, Mecklenburg County, Charlotte1
- United States, North Carolina, Rockingham County, Eden1
- United States, North Carolina, Wake County1
- United States, North Carolina, Wake County, Raleigh1
- United States, Oregon1
- United States, South Carolina, Georgetown County, Andrews1
- United States, South Carolina, Williamsburg County, Lane1
