Statistics: Proceedings of the National Academy of Sciences of the United States of America
Geo Map
Region
#
NA - North America
529
EU - Europe
112
AS - Asia, other
85
SA - South America
9
AF - Africa
3
OC - Oceania
3
Unknown
3
Total
744
Country
#
US - United States of America
523
CN - China
37
DE - Germany
26
SG - Singapore
22
ES - Spain
19
FR - France
15
HK - Hong Kong
11
RU - Russian Federation
10
IE - Ireland
9
FI - Finland
6
other - Other Country
66
Total
744
City
#
Ashburn
140
Des Moines
13
Chicago
10
Dublin
9
Frankfurt am Main
7
Beijing
6
Columbus
6
Helsinki
6
Hong Kong
6
Moscow
6
other
525
Total
734
Most downloaded files
#
57885 - Plastic_debris_open.pdf - ITEM:( 10553/49856)
187
Total
187
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
2021
9 5
4 10 6 7
6 5 1 6
20 12
91
2022
12 8
6 9 47 22
3 4 33 18
3 9
174
2023
15 4
2 8 6 4
3 4 9 8
12 8
83
2024
13 13
47 12 22 25
31 9 16 28
21 33
270
2025
20 19
6 24 23 28
6 0 0 0
0 0
126
Ever
744
Geo Map
| Region | # |
|---|---|
| NA - North America | 529 |
| EU - Europe | 112 |
| AS - Asia, other | 85 |
| SA - South America | 9 |
| AF - Africa | 3 |
| OC - Oceania | 3 |
| Unknown | 3 |
| Total | 744 |
| Country | # |
|---|---|
| US - United States of America | 523 |
| CN - China | 37 |
| DE - Germany | 26 |
| SG - Singapore | 22 |
| ES - Spain | 19 |
| FR - France | 15 |
| HK - Hong Kong | 11 |
| RU - Russian Federation | 10 |
| IE - Ireland | 9 |
| FI - Finland | 6 |
| other - Other Country | 66 |
| Total | 744 |
| City | # |
|---|---|
| Ashburn | 140 |
| Des Moines | 13 |
| Chicago | 10 |
| Dublin | 9 |
| Frankfurt am Main | 7 |
| Beijing | 6 |
| Columbus | 6 |
| Helsinki | 6 |
| Hong Kong | 6 |
| Moscow | 6 |
| other | 525 |
| Total | 734 |
| Most downloaded files | # |
|---|---|
| 57885 - Plastic_debris_open.pdf - ITEM:( 10553/49856) | 187 |
| Total | 187 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 9 | 5 | 4 | 10 | 6 | 7 | 6 | 5 | 1 | 6 | 20 | 12 | 91 |
| 2022 | 12 | 8 | 6 | 9 | 47 | 22 | 3 | 4 | 33 | 18 | 3 | 9 | 174 |
| 2023 | 15 | 4 | 2 | 8 | 6 | 4 | 3 | 4 | 9 | 8 | 12 | 8 | 83 |
| 2024 | 13 | 13 | 47 | 12 | 22 | 25 | 31 | 9 | 16 | 28 | 21 | 33 | 270 |
| 2025 | 20 | 19 | 6 | 24 | 23 | 28 | 6 | 0 | 0 | 0 | 0 | 0 | 126 |
| Ever | 744 | ||||||||||||