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 74 47.4%
2 United States 36 23.1%
3 Netherlands 10 6.4%
4 Germany 10 6.4%
5 Hong Kong 6 3.8%
6 Japan 4 2.6%
7 France 4 2.6%
8 Taiwan 4 2.6%
9 Russia 2 1.3%
10 Canada 2 1.3%
11 Austria 1 0.6%
12 Mauritius 1 0.6%
13 India 1 0.6%
14 Singapore 1 0.6%