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 76 53.9%
2 United States 25 17.7%
3 Netherlands 9 6.4%
4 Germany 7 5%
5 Hong Kong 7 5%
6 Malaysia 5 3.5%
7 Taiwan 3 2.1%
8 Singapore 2 1.4%
9 2 1.4%
10 Canada 1 0.7%
11 Portugal 1 0.7%
12 Russia 1 0.7%
13 Thailand 1 0.7%
14 Viet Nam 1 0.7%