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 279 75%
2 United States 32 8.6%
3 Hong Kong 17 4.6%
4 Germany 8 2.2%
5 Japan 8 2.2%
6 Korea, Republic of 4 1.1%
7 Netherlands 4 1.1%
8 Australia 4 1.1%
9 Canada 4 1.1%
10 Taiwan 4 1.1%
11 United Kingdom 2 0.5%
12 Russia 2 0.5%
13 Singapore 1 0.3%
14 Ireland 1 0.3%
15 Italy 1 0.3%
16 New Zealand 1 0.3%