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 367 66.2%
2 United States 115 20.8%
3 Germany 17 3.1%
4 Hong Kong 10 1.8%
5 Taiwan 7 1.3%
6 United Kingdom 7 1.3%
7 Canada 6 1.1%
8 Portugal 5 0.9%
9 Russia 4 0.7%
10 Malaysia 3 0.5%
11 3 0.5%
12 Netherlands 2 0.4%
13 Senegal 2 0.4%
14 Ukraine 2 0.4%
15 Austria 1 0.2%
16 France 1 0.2%
17 Japan 1 0.2%
18 Korea, Republic of 1 0.2%