Statistics: International Hydrographic Review
Geo Map
Region
#
NA - North America
82
AS - Asia, other
78
EU - Europe
2
Total
162
Country
#
US - United States of America
82
HK - Hong Kong
58
VN - Vietnam
12
SG - Singapore
8
IE - Ireland
1
NL - Netherlands
1
Total
162
City
#
Hong Kong
58
Ho Chi Minh City
6
San Marcos
3
Biên Hòa
2
Da Nang
2
Nha Trang
2
Chandler
1
Dublin
1
Unknown
87
Total
162
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
2021
0 0
0 0 0 0
0 1 0 0
0 0
1
2022
0 0
0 0 0 0
0 0 0 1
0 1
2
2023
0 0
0 1 1 0
0 1 6 49
0 0
58
2024
8 0
0 1 1 1
1 0 3 2
2 1
20
2025
2 3
2 4 70 0
0 0 0 0
0 0
81
Ever
162
Geo Map
| Region | # |
|---|---|
| NA - North America | 82 |
| AS - Asia, other | 78 |
| EU - Europe | 2 |
| Total | 162 |
| Country | # |
|---|---|
| US - United States of America | 82 |
| HK - Hong Kong | 58 |
| VN - Vietnam | 12 |
| SG - Singapore | 8 |
| IE - Ireland | 1 |
| NL - Netherlands | 1 |
| Total | 162 |
| City | # |
|---|---|
| Hong Kong | 58 |
| Ho Chi Minh City | 6 |
| San Marcos | 3 |
| Biên Hòa | 2 |
| Da Nang | 2 |
| Nha Trang | 2 |
| Chandler | 1 |
| Dublin | 1 |
| Unknown | 87 |
| Total | 162 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| 2022 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 |
| 2023 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 6 | 49 | 0 | 0 | 58 |
| 2024 | 8 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 3 | 2 | 2 | 1 | 20 |
| 2025 | 2 | 3 | 2 | 4 | 70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 |
| Ever | 162 | ||||||||||||