11.0 10.6 11.3 11.7 12.4 12.8 12.5 Rwanda 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Samoa 0.6 0.7 0.8 0.8 0.8 0.9 1.1 1.3 1.3 1.3 San Marino .. .. .. .. .. .. .. .. .. .. Sao Tome and Principe 0.4 0.5 0.4 0.4 0.3 0.5 0.6 0.6 0.6 0.6 Saudi Arabia 17.1 12.9 13.3 12.5 13.9 16.1 18.5 17.4 19.2 17.9 Senegal 0.6 0.4 0.4 0.4 0.4 0.5 0.6 0.6 0.6 0.6 Serbia .. .. .. .. .. ..