Portugal
66 (2006)
Puerto Rico
30 (2006)
Qatar
5 (2006)
Romania
61 (2006)
Russia
1,623 (2006)
Rwanda
9 (2006)
Saint Helena
1
note: Wideawake Field on Ascension Island (2006)
Saint Kitts and Nevis
2 (2006)
Saint Lucia
2 (2006)
Saint Pierre and Miquelon
2 (2006)