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 187 53.1%
2 United States 79 22.4%
3 Germany 33 9.4%
4 Canada 20 5.7%
5 Hong Kong 10 2.8%
6 Singapore 4 1.1%
7 Taiwan 4 1.1%
8 Netherlands 2 0.6%
9 Viet Nam 2 0.6%
10 India 2 0.6%
11 Brazil 2 0.6%
12 Denmark 2 0.6%
13 France 1 0.3%
14 Ireland 1 0.3%
15 Norway 1 0.3%
16 Russia 1 0.3%
17 United Kingdom 1 0.3%