Statistics: Tunnelling and Underground Space Technology
Geo Map
Region
#
AS - Asia, other
65
NA - North America
28
EU - Europe
5
Unknown
6
Total
104
Country
#
SG - Singapore
64
US - United States of America
28
IE - Ireland
2
RU - Russian Federation
2
BD - Bangladesh
1
DE - Germany
1
Unknown
6
Total
104
City
#
Dublin
2
Moscow
1
Santa Clara
1
Unknown
100
Total
104
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
1 0 7 1
4 0
15
2024
1 2
0 1 1 0
1 0 4 0
0 0
10
2025
0 0
3 0 61 4
2 0 0 3
3 0
76
Ever
104
Geo Map
| Region | # |
|---|---|
| AS - Asia, other | 65 |
| NA - North America | 28 |
| EU - Europe | 5 |
| Unknown | 6 |
| Total | 104 |
| Country | # |
|---|---|
| SG - Singapore | 64 |
| US - United States of America | 28 |
| IE - Ireland | 2 |
| RU - Russian Federation | 2 |
| BD - Bangladesh | 1 |
| DE - Germany | 1 |
| Unknown | 6 |
| Total | 104 |
| City | # |
|---|---|
| Dublin | 2 |
| Moscow | 1 |
| Santa Clara | 1 |
| Unknown | 100 |
| Total | 104 |
| 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 | 1 | 0 | 7 | 1 | 4 | 0 | 15 |
| 2024 | 1 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 10 |
| 2025 | 0 | 0 | 3 | 0 | 61 | 4 | 2 | 0 | 0 | 3 | 3 | 0 | 76 |
| Ever | 104 | ||||||||||||