Statistics: Hydrogeology Journal
Geo Map
Region
#
NA - North America
99
AS - Asia, other
16
EU - Europe
4
AF - Africa
1
SA - South America
1
Unknown
7
Total
128
Country
#
US - United States of America
98
SG - Singapore
8
CN - China
7
RU - Russian Federation
2
BR - Brazil
1
CA - Canada
1
CH - Switzerland
1
GB - United Kingdom
1
HK - Hong Kong
1
ZA - South Africa
1
other - Other Country
7
Total
128
City
#
Singapore
6
Dallas
4
Shanghai
2
Beijing
1
Chandler
1
Guangzhou
1
Hong Kong
1
Johannesburg
1
Linyi
1
London
1
other
109
Total
128
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
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 48
60
2024
0 1
2 0 1 1
1 5 11 2
2 3
29
2025
12 2
0 0 2 1
3 2 7 0
1 2
32
2026
1 0
1 0 1 0
0 0 0 0
0 0
3
Ever
128
Geo Map
| Region | # |
|---|---|
| NA - North America | 99 |
| AS - Asia, other | 16 |
| EU - Europe | 4 |
| AF - Africa | 1 |
| SA - South America | 1 |
| Unknown | 7 |
| Total | 128 |
| Country | # |
|---|---|
| US - United States of America | 98 |
| SG - Singapore | 8 |
| CN - China | 7 |
| RU - Russian Federation | 2 |
| BR - Brazil | 1 |
| CA - Canada | 1 |
| CH - Switzerland | 1 |
| GB - United Kingdom | 1 |
| HK - Hong Kong | 1 |
| ZA - South Africa | 1 |
| other - Other Country | 7 |
| Total | 128 |
| City | # |
|---|---|
| Singapore | 6 |
| Dallas | 4 |
| Shanghai | 2 |
| Beijing | 1 |
| Chandler | 1 |
| Guangzhou | 1 |
| Hong Kong | 1 |
| Johannesburg | 1 |
| Linyi | 1 |
| London | 1 |
| other | 109 |
| Total | 128 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 48 | 60 |
| 2024 | 0 | 1 | 2 | 0 | 1 | 1 | 1 | 5 | 11 | 2 | 2 | 3 | 29 |
| 2025 | 12 | 2 | 0 | 0 | 2 | 1 | 3 | 2 | 7 | 0 | 1 | 2 | 32 |
| 2026 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Ever | 128 | ||||||||||||