| Entity,2001,2006,2011,2016,2021
|
| China,10.0,6.0,2.5,2.5,2.5
|
| Hong Kong,2.5,2.5,2.5,2.5,2.7
|
| Japan,No data,No data,No data,No data,No data
|
| Macao,20.1,13.9,9.4,6.1,10.1
|
| Mongolia,30.1,26.5,14.8,8.1,3.1
|
| North Korea,35.9,37.0,43.4,46.0,No data
|
| South Korea,2.5,2.5,2.5,2.5,2.5
|
| Taiwan,3.7,4.6,4.8,4.3,4.0
|