Statistics: Hydrogeology Journal
Geo Map
Region
#
NA - North America
98
AS - Asia, other
14
EU - Europe
14
AF - Africa
1
OC - Oceania
1
Unknown
3
Total
131
Country
#
US - United States of America
98
CN - China
6
DE - Germany
6
RU - Russian Federation
5
HK - Hong Kong
4
SG - Singapore
4
AU - Australia
1
CH - Switzerland
1
FI - Finland
1
NL - Netherlands
1
other - Other Country
4
Total
131
City
#
Hong Kong
4
San Marcos
3
Singapore
3
Shanghai
2
Chandler
1
Guangzhou
1
Helsinki
1
Johannesburg
1
Las Vegas
1
Linyi
1
other
113
Total
131
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
2021
0 0
0 0 6 0
0 1 0 2
0 0
9
2022
0 0
0 0 0 0
0 0 1 2
0 1
4
2023
0 0
0 1 0 1
0 1 7 1
1 49
61
2024
0 1
2 0 1 1
1 5 11 2
2 3
29
2025
12 2
0 1 10 3
0 0 0 0
0 0
28
Ever
131
Geo Map
| Region | # |
|---|---|
| NA - North America | 98 |
| AS - Asia, other | 14 |
| EU - Europe | 14 |
| AF - Africa | 1 |
| OC - Oceania | 1 |
| Unknown | 3 |
| Total | 131 |
| Country | # |
|---|---|
| US - United States of America | 98 |
| CN - China | 6 |
| DE - Germany | 6 |
| RU - Russian Federation | 5 |
| HK - Hong Kong | 4 |
| SG - Singapore | 4 |
| AU - Australia | 1 |
| CH - Switzerland | 1 |
| FI - Finland | 1 |
| NL - Netherlands | 1 |
| other - Other Country | 4 |
| Total | 131 |
| City | # |
|---|---|
| Hong Kong | 4 |
| San Marcos | 3 |
| Singapore | 3 |
| Shanghai | 2 |
| Chandler | 1 |
| Guangzhou | 1 |
| Helsinki | 1 |
| Johannesburg | 1 |
| Las Vegas | 1 |
| Linyi | 1 |
| other | 113 |
| Total | 131 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 9 |
| 2022 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 4 |
| 2023 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 7 | 1 | 1 | 49 | 61 |
| 2024 | 0 | 1 | 2 | 0 | 1 | 1 | 1 | 5 | 11 | 2 | 2 | 3 | 29 |
| 2025 | 12 | 2 | 0 | 1 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 28 |
| Ever | 131 | ||||||||||||