wdi.2011 <- structure(list(country.name = structure(1:165, .Label = c("Afghanistan", "Albania", "Algeria", "Angola", "Argentina", "Armenia", "Australia", "Austria", "Azerbaijan", "Bahrain", "Bangladesh", "Belarus", "Belgium", "Benin", "Bhutan", "Bolivia", "Bosnia and Herzegovina", "Botswana", "Brazil", "Bulgaria", "Burkina Faso", "Burundi", "Cambodia", "Cameroon", "Canada", "Central African Republic", "Central Europe and the Baltics", "Chad", "Chile", "China", "Colombia", "Comoros", "Congo, Dem. Rep.", "Congo, Rep.", "Costa Rica", "Cote d'Ivoire", "Croatia", "Cuba", "Cyprus", "Czech Republic", "Denmark", "Djibouti", "Dominican Republic", "Ecuador", "Egypt, Arab Rep.", "El Salvador", "Equatorial Guinea", "Eritrea", "Estonia", "Ethiopia", "Fiji", "Finland", "France", "Gabon", "Gambia, The", "Georgia", "Germany", "Ghana", "Greece", "Guatemala", "Guinea", "Guinea-Bissau", "Guyana", "Haiti", "Honduras", "Hungary", "India", "Indonesia", "Iran, Islamic Rep.", "Iraq", "Ireland", "Israel", "Italy", "Jamaica", "Japan", "Jordan", "Kazakhstan", "Kenya", "Korea, Rep.", "Kuwait", "Kyrgyz Republic", "Lao PDR", "Latvia", "Least developed countries: UN classification", "Lebanon", "Lesotho", "Liberia", "Libya", "Lithuania", "Luxembourg", "Macedonia, FYR", "Madagascar", "Malawi", "Malaysia", "Mali", "Mauritania", "Mauritius", "Mexico", "Moldova", "Mongolia", "Montenegro", "Morocco", "Mozambique", "Namibia", "Nepal", "Netherlands", "New Zealand", "Nicaragua", "Niger", "Nigeria", "North America", "Norway", "Oman", "Pakistan", "Panama", "Papua New Guinea", "Paraguay", "Peru", "Philippines", "Poland", "Portugal", "Qatar", "Romania", "Russian Federation", "Rwanda", "Saudi Arabia", "Senegal", "Serbia", "Sierra Leone", "Singapore", "Slovak Republic", "Slovenia", "Solomon Islands", "South Africa", "South Asia", "South Sudan", "Spain", "Sri Lanka", "Sudan", "Suriname", "Swaziland", "Sweden", "Switzerland", "Tajikistan", "Tanzania", "Thailand", "Timor-Leste", "Togo", "Trinidad and Tobago", "Tunisia", "Turkey", "Turkmenistan", "Uganda", "Ukraine", "United Arab Emirates", "United Kingdom", "United States", "Uruguay", "Uzbekistan", "Venezuela, RB", "Vietnam", "West Bank and Gaza", "Yemen, Rep.", "Zambia", "Zimbabwe" ), class = "factor"), inf.mort = c(73.400000000000006, 14.300000000000001, 22.800000000000001, 106.8, 12.699999999999999, 15.300000000000001, 3.7999999999999998, 3.3999999999999999, 32.5, 6.7000000000000002, 37.200000000000003, 4.2999999999999998, 3.5, 69.799999999999997, 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