Statistics: The international society for optics and photonics (SPIE)

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Region #
AS - Asia, other 3
Unknown 9
Total 12
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Country #
CN - China 1
HK - Hong Kong 1
SG - Singapore 1
Unknown 9
Total 12
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City #
Hong Kong 1
Unknown 11
Total 12
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2026 111 0000 0000 00 12
Ever 12