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 193 55.5%
2 United States 74 21.3%
3 Germany 27 7.8%
4 Canada 19 5.5%
5 Hong Kong 10 2.9%
6 Russia 4 1.1%
7 Taiwan 4 1.1%
8 Singapore 2 0.6%
9 Sweden 2 0.6%
10 Viet Nam 2 0.6%
11 United Kingdom 2 0.6%
12 Netherlands 2 0.6%
13 Philippines 2 0.6%
14 Brazil 2 0.6%
15 France 1 0.3%
16 Mauritius 1 0.3%
17 Thailand 1 0.3%