| Value |
Category |
| 1 |
Ha Giang |
| 2 |
Tuyen Quang |
| 3 |
Cao Bang |
| 4 |
Lang Son |
| 5 |
Lai Chau |
| 6 |
Yen Bai |
| 7 |
Lao Cai |
| 8 |
Bac Can |
| 9 |
Thai Nguyen |
| 10 |
Son La |
| 11 |
Phu Tho |
| 12 |
Vinh Phuc |
| 13 |
Bac Giang |
| 14 |
Bac Ninh |
| 15 |
Quang Ninh |
| 16 |
Hoa Binh |
| 17 |
Ha Noi |
| 18 |
Hai Phong |
| 19 |
Hung Yen |
| 20 |
Hai Duong |
| 21 |
Ha Tay |
| 22 |
Thai Binh |
| 23 |
Ha Nam |
| 24 |
Nam Dinh |
| 25 |
Ninh Binh |
| 26 |
Thanh Hoa |
| 27 |
Nghe An |
| 28 |
Ha Tinh |
| 29 |
Quang Binh |
| 30 |
Quang Tri |
| 31 |
Thua Thien - Hue |
| 32 |
Quang Nam |
| 33 |
Da Nang |
| 34 |
Quang Ngai |
| 35 |
Binh Dinh |
| 36 |
Phu Yen |
| 37 |
Khanh Hoa |
| 38 |
Ninh Thuan |
| 39 |
Binh Thuan |
| 40 |
Gia Lai |
| 41 |
Kon Tum |
| 42 |
Dak Lak |
| 43 |
Lam Dong |
| 44 |
Ho Chi Minh city |
| 45 |
Binh Duong |
| 46 |
Binh Phuoc |
| 47 |
Tay Ninh |
| 48 |
Dong Nai |
| 49 |
Ba Ria - Vung Tau |
| 50 |
Long An |
| 51 |
Dong Thap |
| 52 |
An Giang |
| 53 |
Tien Giang |
| 54 |
Ben Tre |
| 55 |
Vinh Long |
| 56 |
Tra Vinh |
| 57 |
Soc TRang |
| 58 |
CAn Tho |
| 59 |
Kien Giang |
| 60 |
Ca Mau |
| 61 |
Bac Lieu |
| 71 |
LAOS |
| 72 |
Cambodia |
| 73 |
Thailand |
| 74 |
China |
| 75 |
Hong Kong |
| 76 |
Taiwan |
| 77 |
Australia |
| 78 |
France |
| 79 |
Western Europe |
| 80 |
Former Soviet Union |
| 81 |
Eastern Europe |
| 82 |
USA |
| 83 |
Canada |
| 84 |
Other |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.