BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 60 40.5%
2 United States 33 22.3%
3 Netherlands 11 7.4%
4 Germany 7 4.7%
5 Hong Kong 6 4.1%
6 Canada 5 3.4%
7 Korea, Republic of 4 2.7%
8 Portugal 4 2.7%
9 Singapore 3 2%
10 Myanmar 3 2%
11 France 3 2%
12 Chile 2 1.4%
13 Malaysia 2 1.4%
14 Italy 2 1.4%
15 Russia 2 1.4%
16 Switzerland 1 0.7%