Statistics: Tunnelling and Underground Space Technology

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Geo Map
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Region #
NA - North America 27
AS - Asia, other 18
EU - Europe 5
AF - Africa 2
SA - South America 1
Unknown 17
Total 70
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Country #
US - United States of America 27
SG - Singapore 12
VN - Vietnam 4
DE - Germany 2
IE - Ireland 2
BD - Bangladesh 1
CN - China 1
CO - Colombia 1
ML - Mali 1
RU - Russian Federation 1
other - Other Country 18
Total 70
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City #
Dublin 2
Bamako 1
Beijing 1
Biên Hòa 1
Bắc Ninh 1
Pretoria 1
Santa Clara 1
Thái Nguyên 1
Tây Ninh 1
Zipaquirá 1
other 59
Total 70
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2021 00 0000 0200 00 2
2022 00 0000 0001 01 2
2023 00 0110 1071 40 15
2024 12 0110 1040 00 10
2025 00 2093 2003 30 22
2026 130 1410 0000 00 19
Ever 70