footnote_code	footnote_text
2	Western Europe, Canada, Japan, Australia, New Zealand, and South Africa.
3	Mexico, Central America, South America, and the Caribbean.
4	China, Japan, Australia, Brunei, Indonesia, Macao, Malaysia, New Zealand, Papua New Guinea, Philippines, and the Asian Newly Industrialized Countries.
5	Asian Newly Industrialized Countries - Hong Kong, Singapore, South Korea, and Taiwan.
6	Association of Southeast Asian Nations - Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, and Vietnam.
7	Bahrain, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, United Arab Emirates, and Yemen.
R	Revised.