2015美國320051795396017.12.459.82301781
2015英國6313681357609.12.818.833887
2015加拿大35182824261010.92.079.29322086.8
2015芬蘭542681384809.42.9110.8662591
2015日本127144843763010.32.311.491371279.1
2015中國大陸139333775118505.61.491.66427842.3
2015丹麥5619804446010.63.4916.7935493
2015澳洲2334383425409.43.2710.65381182.3