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 United States 857 77.7%
2 China 154 14%
3 Germany 24 2.2%
4 Canada 14 1.3%
5 Hong Kong 7 0.6%
6 Korea, Republic of 7 0.6%
7 Taiwan 6 0.5%
8 Singapore 6 0.5%
9 Japan 5 0.5%
10 Finland 5 0.5%
11 Australia 2 0.2%
12 South Africa 2 0.2%
13 Switzerland 2 0.2%
14 Malaysia 2 0.2%
15 Mauritius 2 0.2%
16 New Zealand 2 0.2%
17 Romania 2 0.2%
18 Russia 1 0.1%
19 Netherlands 1 0.1%
20 France 1 0.1%
21 Luxembourg 1 0.1%