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 197 57.9%
2 United States 61 17.9%
3 Germany 29 8.5%
4 Canada 17 5%
5 Taiwan 11 3.2%
6 Sweden 5 1.5%
7 Russia 3 0.9%
8 Hong Kong 3 0.9%
9 Italy 3 0.9%
10 Macao 3 0.9%
11 India 2 0.6%
12 Singapore 2 0.6%
13 Ukraine 1 0.3%
14 Netherlands 1 0.3%
15 Brazil 1 0.3%
16 France 1 0.3%