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 United States 53 35.8%
2 China 45 30.4%
3 Netherlands 16 10.8%
4 Hong Kong 9 6.1%
5 Taiwan 6 4.1%
6 India 4 2.7%
7 Japan 4 2.7%
8 Germany 4 2.7%
9 Canada 3 2%
10 Belgium 2 1.4%
11 Russia 1 0.7%
12 Singapore 1 0.7%