BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 104 53.3%
2 United States 39 20%
3 Russia 14 7.2%
4 Germany 9 4.6%
5 Hong Kong 9 4.6%
6 Korea, Republic of 5 2.6%
7 Portugal 4 2.1%
8 Taiwan 3 1.5%
9 United Kingdom 2 1%
10 South Africa 1 0.5%
11 Spain 1 0.5%
12 1 0.5%
13 Australia 1 0.5%
14 Ireland 1 0.5%
15 Japan 1 0.5%