Statistics: Proceedings of SPIE - The International Society for Optical Engineering

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Geo Map
Region #
EU - Europe 7
NA - North America 7
Unknown 8
Total 22
Country #
US - United States of America 7
SE - Sweden 4
DE - Germany 2
FR - France 1
Unknown 8
Total 22
City #
Des Moines 6
Boardman 1
Unknown 15
Total 22


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2021 00 1800 0102 03 15
2022 51 0100 0000 00 7
Ever 22