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 174 42.5%
2 United States 117 28.6%
3 Netherlands 31 7.6%
4 Germany 31 7.6%
5 Taiwan 12 2.9%
6 Hong Kong 9 2.2%
7 Canada 7 1.7%
8 Viet Nam 7 1.7%
9 Singapore 4 1%
10 Brazil 4 1%
11 Japan 3 0.7%
12 New Zealand 3 0.7%
13 Russia 2 0.5%
14 Australia 2 0.5%
15 France 2 0.5%
16 Ireland 1 0.2%