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 262 58%
2 United States 127 28.1%
3 Germany 32 7.1%
4 Japan 7 1.5%
5 Hong Kong 4 0.9%
6 Taiwan 4 0.9%
7 Russia 3 0.7%
8 Singapore 2 0.4%
9 Netherlands 2 0.4%
10 Brazil 2 0.4%
11 Canada 2 0.4%
12 Mauritius 1 0.2%
13 Moldova, Republic of 1 0.2%
14 India 1 0.2%
15 Australia 1 0.2%
16 United Kingdom 1 0.2%