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 541 66.5%
2 United States 174 21.4%
3 Germany 31 3.8%
4 Hong Kong 18 2.2%
5 Singapore 10 1.2%
6 United Kingdom 8 1%
7 Taiwan 5 0.6%
8 Netherlands 5 0.6%
9 Russia 3 0.4%
10 France 3 0.4%
11 Japan 3 0.4%
12 Jordan 2 0.2%
13 Canada 2 0.2%
14 New Zealand 2 0.2%
15 India 2 0.2%
16 Sweden 1 0.1%
17 Australia 1 0.1%
18 Korea, Republic of 1 0.1%
19 Malaysia 1 0.1%