Researcher Profile Statistics: Visser, Petra M.
Geo Map
Region
#
EU - Europe
106
NA - North America
86
AS - Asia, other
34
Unknown
1590
Total
1816
Country
#
US - United States of America
86
FR - France
45
UA - Ukraine
45
SG - Singapore
20
CN - China
13
GB - United Kingdom
6
DE - Germany
5
FI - Finland
3
SE - Sweden
2
HK - Hong Kong
1
other - Other Country
1590
Total
1816
City
#
Southend
5
Hangzhou
1
Heyuan
1
Huizhou
1
Jiangmen
1
Mountain View
1
San Mateo
1
Shenzhen
1
Taizhou
1
Wenzhou
1
other
1802
Total
1816
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
2020
0 0
0 0 0 0
0 0 0 0
0 6
6
2021
2 3
3 60 5 2
1 2 1 1
2 0
82
2022
0 3
1 58 85 43
27 7 15 1
1 1
242
2023
1 4
6 2 1 8
7 1 46 25
125 137
363
2024
29 23
193 8 9 37
71 34 30 31
6 5
476
2025
7 3
134 40 8 7
8 5 80 72
60 10
434
Ever
1816
Geo Map
| Region | # |
|---|---|
| EU - Europe | 106 |
| NA - North America | 86 |
| AS - Asia, other | 34 |
| Unknown | 1590 |
| Total | 1816 |
| Country | # |
|---|---|
| US - United States of America | 86 |
| FR - France | 45 |
| UA - Ukraine | 45 |
| SG - Singapore | 20 |
| CN - China | 13 |
| GB - United Kingdom | 6 |
| DE - Germany | 5 |
| FI - Finland | 3 |
| SE - Sweden | 2 |
| HK - Hong Kong | 1 |
| other - Other Country | 1590 |
| Total | 1816 |
| City | # |
|---|---|
| Southend | 5 |
| Hangzhou | 1 |
| Heyuan | 1 |
| Huizhou | 1 |
| Jiangmen | 1 |
| Mountain View | 1 |
| San Mateo | 1 |
| Shenzhen | 1 |
| Taizhou | 1 |
| Wenzhou | 1 |
| other | 1802 |
| Total | 1816 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 |
| 2021 | 2 | 3 | 3 | 60 | 5 | 2 | 1 | 2 | 1 | 1 | 2 | 0 | 82 |
| 2022 | 0 | 3 | 1 | 58 | 85 | 43 | 27 | 7 | 15 | 1 | 1 | 1 | 242 |
| 2023 | 1 | 4 | 6 | 2 | 1 | 8 | 7 | 1 | 46 | 25 | 125 | 137 | 363 |
| 2024 | 29 | 23 | 193 | 8 | 9 | 37 | 71 | 34 | 30 | 31 | 6 | 5 | 476 |
| 2025 | 7 | 3 | 134 | 40 | 8 | 7 | 8 | 5 | 80 | 72 | 60 | 10 | 434 |
| Ever | 1816 | ||||||||||||

