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 240 54.3%
2 United States 129 29.2%
3 Germany 34 7.7%
4 Russia 8 1.8%
5 Singapore 6 1.4%
6 Hong Kong 5 1.1%
7 United Kingdom 4 0.9%
8 India 3 0.7%
9 Japan 3 0.7%
10 France 3 0.7%
11 Korea, Republic of 2 0.5%
12 Viet Nam 2 0.5%
13 Taiwan 1 0.2%
14 Australia 1 0.2%
15 Belarus 1 0.2%