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 56 45.9%
2 United States 32 26.2%
3 Hong Kong 10 8.2%
4 Netherlands 7 5.7%
5 Germany 6 4.9%
6 Taiwan 4 3.3%
7 Pakistan 2 1.6%
8 Russia 2 1.6%
9 Singapore 1 0.8%
10 Portugal 1 0.8%
11 Iran, Islamic Republic of 1 0.8%