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 180 63.4%
2 United States 42 14.8%
3 Germany 33 11.6%
4 Canada 10 3.5%
5 Singapore 4 1.4%
6 Russia 3 1.1%
7 Taiwan 2 0.7%
8 Netherlands 2 0.7%
9 Hong Kong 2 0.7%
10 Belarus 2 0.7%
11 Austria 1 0.4%
12 France 1 0.4%
13 India 1 0.4%
14 Ireland 1 0.4%