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 87 34.9%
2 United States 62 24.9%
3 Sweden 31 12.4%
4 Netherlands 13 5.2%
5 Hong Kong 11 4.4%
6 Taiwan 10 4%
7 Korea, Republic of 8 3.2%
8 Singapore 7 2.8%
9 Germany 6 2.4%
10 France 5 2%
11 Canada 4 1.6%
12 Russia 2 0.8%
13 Malaysia 1 0.4%
14 Brazil 1 0.4%
15 United Kingdom 1 0.4%