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 237 59.2%
2 United States 68 17%
3 Germany 40 10%
4 Netherlands 19 4.8%
5 Korea, Republic of 11 2.8%
6 Singapore 6 1.5%
7 Canada 5 1.2%
8 Hong Kong 3 0.8%
9 Australia 2 0.5%
10 Sweden 2 0.5%
11 United Kingdom 2 0.5%
12 Russia 2 0.5%
13 Finland 1 0.2%
14 Mauritius 1 0.2%
15 Mexico 1 0.2%