BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 586 57.2%
2 United States 185 18.1%
3 Netherlands 90 8.8%
4 Germany 53 5.2%
5 France 36 3.5%
6 Canada 27 2.6%
7 Hong Kong 12 1.2%
8 Korea, Republic of 9 0.9%
9 Russia 8 0.8%
10 India 6 0.6%
11 Australia 3 0.3%
12 Viet Nam 2 0.2%
13 New Zealand 2 0.2%
14 Norway 1 0.1%
15 Spain 1 0.1%
16 United Arab Emirates 1 0.1%
17 Denmark 1 0.1%
18 Iran, Islamic Republic of 1 0.1%