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 208 45.2%
2 United States 147 32%
3 Germany 43 9.3%
4 Canada 32 7%
5 Taiwan 8 1.7%
6 Hong Kong 7 1.5%
7 Macao 3 0.7%
8 Philippines 3 0.7%
9 Netherlands 2 0.4%
10 Japan 2 0.4%
11 Brazil 1 0.2%
12 France 1 0.2%
13 Russia 1 0.2%
14 Singapore 1 0.2%
15 Sweden 1 0.2%