OPUS Siegen
Researcher Profile Statistics: Zhang, Zhigang
Geo Map
Region
#
NA - North America
397
AS - Asia, other
161
EU - Europe
36
Total
594
Country
#
US - United States of America
395
SG - Singapore
106
DE - Germany
27
IN - India
27
CN - China
15
HK - Hong Kong
12
IE - Ireland
5
CZ - Czech Republic
2
MX - Mexico
2
FI - Finland
1
other - Other Country
2
Total
594
City
#
Boardman
131
Prineville
47
Singapore
47
Springfield
38
Ashburn
27
Rewari
27
Sandston
23
Council Bluffs
20
Mountain View
14
Munich
14
other
206
Total
594
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
2020
0 0
0 5 17 14
0 5 27 0
0 0
68
2021
0 0
1 2 2 0
0 1 0 1
0 1
8
2022
0 1
0 0 1 0
0 0 0 0
0 6
8
2023
1 0
0 0 4 0
1 0 0 0
0 22
28
2024
1 0
0 1 5 16
127 27 154 14
8 16
369
2025
38 52
22 0 0 0
0 0 0 0
0 0
112
Ever
594
Geo Map
| Region | # |
|---|---|
| NA - North America | 397 |
| AS - Asia, other | 161 |
| EU - Europe | 36 |
| Total | 594 |
| Country | # |
|---|---|
| US - United States of America | 395 |
| SG - Singapore | 106 |
| DE - Germany | 27 |
| IN - India | 27 |
| CN - China | 15 |
| HK - Hong Kong | 12 |
| IE - Ireland | 5 |
| CZ - Czech Republic | 2 |
| MX - Mexico | 2 |
| FI - Finland | 1 |
| other - Other Country | 2 |
| Total | 594 |
| City | # |
|---|---|
| Boardman | 131 |
| Prineville | 47 |
| Singapore | 47 |
| Springfield | 38 |
| Ashburn | 27 |
| Rewari | 27 |
| Sandston | 23 |
| Council Bluffs | 20 |
| Mountain View | 14 |
| Munich | 14 |
| other | 206 |
| Total | 594 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 | 0 | 5 | 17 | 14 | 0 | 5 | 27 | 0 | 0 | 0 | 68 |
| 2021 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 8 |
| 2022 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 8 |
| 2023 | 1 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 22 | 28 |
| 2024 | 1 | 0 | 0 | 1 | 5 | 16 | 127 | 27 | 154 | 14 | 8 | 16 | 369 |
| 2025 | 38 | 52 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 112 |
| Ever | 594 | ||||||||||||