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 92 56.1%
2 Netherlands 25 15.2%
3 United States 24 14.6%
4 Germany 8 4.9%
5 Hong Kong 5 3%
6 Russia 2 1.2%
7 Singapore 2 1.2%
8 United Kingdom 2 1.2%
9 France 1 0.6%
10 Taiwan 1 0.6%
11 Korea, Republic of 1 0.6%
12 Malaysia 1 0.6%