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 52 35.4%
2 United States 52 35.4%
3 Netherlands 16 10.9%
4 Russia 15 10.2%
5 Hong Kong 4 2.7%
6 France 2 1.4%
7 Turkey 2 1.4%
8 Germany 1 0.7%
9 Finland 1 0.7%
10 Moldova, Republic of 1 0.7%
11 Taiwan 1 0.7%