var countries = ['日本', '中国', '德国', '俄罗斯', '瑞士', 'Qatar', 'Netherlands', 'Saudi Arabia', 'Norway', 'Singapore', '韩国', 'Kuwait', 'Sweden', 'Hong Kong SAR, 中国', 'Iraq', 'Malaysia', 'Austria', 'Denmark', 'Macao SAR, 中国', 'Nigeria', 'Algeria', 'Venezuela, RB', 'Libya', 'Thailand', 'Azerbaijan', 'Brunei Darussalam', 'Finland', 'Luxembourg', 'Ireland', 'Belgium', 'United States', 'United Kingdom', '西班牙', '澳大利亚', '巴西', 'Turkey', '印度', '加拿大', 'Mexico', 'Greece', 'Poland', 'Portugal', 'Lebanon', 'South Africa', 'Romania', 'Colombia', 'New Zealand', 'Italy', 'Serbia', 'Argentina', 'Afghanistan', 'Czech Republic', 'Mozambique', 'Peru', 'Pakistan', 'Ukraine', 'Indonesia', 'Hungary', 'Sudan', 'Belarus'];
