Guernsey
| Region | 1950–1955 | 1955–1960 | 1960–1965 | 1965–1970 | 1970–1975 | 1975–1980 | 1980–1985 | 1985–1990 | 1990–1995 | 1995–2000 | 2000–2005 | 2005–2010 | 2010–2015 | | Africa | 6.62 | 6.66 | 6.72 | 6.72 | 6.71 | 6.64 | 6.48 | 6.18 | 5.72 | 5.34 | 5.08 | 4.89 | 4.72 | | Asia | 5.80 | 5.56 | 5.81 | 5.73 | 5.03 | 4.10 | 3.70 | 3.50 | 2.92 | 2.56 | 2.41 | 2.30 | 2.20 | | Australia/New Zealand | 3.27 | 3.53 | 3.38 | 2.96 | 2.59 | 2.02 | 1.92 | 1.89 | 1.90 | 1.82 | 1.80 | 1.99 | 1.91 | | Caribbean | 5.27 | 5.19 | 5.48 | 5.00 | 4.37 | 3.62 | 3.41 | 3.13 | 2.83 | 2.64 | 2.49 | 2.38 | 2.28 | | Central America | 6.76 | 6.81 | 6.75 | 6.68 | 6.55 | 5.49 | 4.60 | 3.99 | 3.50 | 3.09 | 2.80 | 2.54 | 2.38 | | Central Asia | 4.86 | 5.32 | 5.57 | 5.16 | 5.02 | 4.51 | 4.13 | 4.00 | 3.57 | 2.89 | 2.51 | 2.66 | 2.71 | | Eastern Africa | 7.05 | 7.05 | 7.11 | 7.11 | 7.14 | 7.10 | 7.02 | 6.80 | 6.41 | 6.12 | 5.76 | 5.35 | 4.89 | | Eastern Asia | 5.56 | 4.98 | 5.53 | 5.53 | 4.36 | 2.86 | 2.48 | 2.59 | 1.87 | 1.51 | 1.52 | 1.56 | 1.59 | | Eastern Europe | 2.92 | 2.82 | 2.43 | 2.15 | 2.14 | 2.07 | 2.08 | 2.09 | 1.63 | 1.30 | 1.26 | 1.42 | 1.57 | | Europe | 2.66 | 2.66 | 2.57 | 2.37 | 2.17 | 1.98 | 1.88 | 1.81 | 1.57 | 1.43 | 1.43 | 1.55 | 1.60 | | Latin America | 5.87 | 5.88 | 5.89 | 5.53 | 5.03 | 4.48 | 3.96 | 3.46 | 3.06 | 2.76 | 2.48 | 2.26 | 2.14 | | Melanesia | 6.30 | 6.34 | 6.24 | 6.02 | 5.82 | 5.56 | 5.19 | 4.74 | 4.50 | 4.40 | 4.16 | 3.93 | 3.67 | | Micronesia | 6.25 | 6.42 | 6.46 | 5.84 | 5.27 | 4.80 | 4.40 | 4.09 | 3.74 | 3.44 | 3.15 | 3.05 | 3.00 | | Middle Africa | 6.08 | 6.11 | 6.24 | 6.35 | 6.50 | 6.65 | 6.73 | 6.76 | 6.67 | 6.52 | 6.39 | 6.24 | 5.94 | | Northern Africa | 6.80 | 6.87 | 6.94 | 6.83 | 6.52 | 6.18 | 5.74 | 5.11 | 4.21 | 3.47 | 3.15 | 3.09 | 3.31 | | North America | 3.34 | 3.61 | 3.28 | 2.55 | 2.02 | 1.77 | 1.79 | 1.88 | 2.00 | 1.95 | 1.99 | 2.01 | 1.85 | | Northern Europe | 2.32 | 2.51 | 2.71 | 2.49 | 2.06 | 1.80 | 1.80 | 1.85 | 1.80 | 1.70 | 1.66 | 1.85 | 1.85 | | Oceania | 3.84 | 4.06 | 3.94 | 3.55 | 3.21 | 2.73 | 2.60 | 2.51 | 2.49 | 2.46 | 2.44 | 2.53 | 2.41 | | Polynesia | 6.78 | 6.86 | 6.82 | 6.39 | 5.74 | 5.23 | 4.79 | 4.37 | 3.96 | 3.55 | 3.32 | 3.17 | 2.97 | | South America | 5.67 | 5.67 | 5.66 | 5.22 | 4.60 | 4.24 | 3.80 | 3.30 | 2.92 | 2.64 | 2.35 | 2.13 | 2.03 | | Southeast Asia | 5.93 | 6.12 | 6.09 | 5.91 | 5.48 | 4.81 | 4.20 | 3.58 | 3.11 | 2.69 | 2.53 | 2.42 | 2.35 | | Southern Africa | 6.06 | 6.07 | 6.03 | 5.86 | 5.60 | 5.19 | 4.75 | 4.15 | 3.50 | 3.09 | 2.85 | 2.71 | 2.64 | | Southern Asia | 6.04 | 6.06 | 6.07 | 5.94 | 5.67 | 5.31 | 5.03 | 4.57 | 4.04 | 3.61 | 3.19 | 2.85 | 2.54 | | Southern Europe | 2.68 | 2.62 | 2.70 | 2.68 | 2.56 | 2.24 | 1.83 | 1.56 | 1.42 | 1.34 | 1.37 | 1.44 | 1.42 | | Sub-Saharan Africa | 6.57 | 6.60 | 6.67 | 6.70 | 6.77 | 6.78 | 6.70 | 6.49 | 6.16 | 5.90 | 5.65 | 5.40 | 5.10 | | Western Africa | 6.56 | 6.63 | 6.80 | 6.91 | 6.87 | 6.67 | 6.41 | 6.16 | 5.95 | 5.75 | 5.53 | 5.20 | 4.88 | | Western Asia | 6.15 | 6.00 | 5.73 | 5.36 | 5.00 | 4.51 | 4.03 | 3.60 | 3.23 | 3.02 | 2.90 | 2.74 | 2.61 | | Western Europe | 2.65 | 2.47 | 1.96 | 1.65 | 1.62 | 1.57 | 1.49 | 1.52 | 1.59 | 1.64 | 1.67 | 1.69 | 1.71 |
|