Statistics: The international society for optics and photonics (SPIE)
Geo Map
Region
#
NA - North America
32
AS - Asia, other
10
EU - Europe
9
Unknown
1
Total
52
Country
#
US - United States of America
32
SG - Singapore
8
IE - Ireland
3
DE - Germany
2
HK - Hong Kong
2
DK - Denmark
1
FI - Finland
1
NO - Norway
1
SI - Slovenia
1
Unknown
1
Total
52
City
#
Chandler
4
Dublin
3
Santa Clara
3
Hong Kong
2
Prineville
2
Frankfurt am Main
1
Helsinki
1
Sandston
1
Singapore
1
Unknown
34
Total
52
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
2022
0 0
0 0 0 0
0 0 1 1
1 1
4
2023
0 2
0 2 1 1
0 2 0 0
1 0
9
2024
9 1
0 1 0 3
2 9 5 2
0 1
33
2025
0 2
1 3 0 0
0 0 0 0
0 0
6
Ever
52
Geo Map
| Region | # |
|---|---|
| NA - North America | 32 |
| AS - Asia, other | 10 |
| EU - Europe | 9 |
| Unknown | 1 |
| Total | 52 |
| Country | # |
|---|---|
| US - United States of America | 32 |
| SG - Singapore | 8 |
| IE - Ireland | 3 |
| DE - Germany | 2 |
| HK - Hong Kong | 2 |
| DK - Denmark | 1 |
| FI - Finland | 1 |
| NO - Norway | 1 |
| SI - Slovenia | 1 |
| Unknown | 1 |
| Total | 52 |
| City | # |
|---|---|
| Chandler | 4 |
| Dublin | 3 |
| Santa Clara | 3 |
| Hong Kong | 2 |
| Prineville | 2 |
| Frankfurt am Main | 1 |
| Helsinki | 1 |
| Sandston | 1 |
| Singapore | 1 |
| Unknown | 34 |
| Total | 52 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 4 |
| 2023 | 0 | 2 | 0 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 9 |
| 2024 | 9 | 1 | 0 | 1 | 0 | 3 | 2 | 9 | 5 | 2 | 0 | 1 | 33 |
| 2025 | 0 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
| Ever | 52 | ||||||||||||