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 United States 76 52.8%
2 Netherlands 16 11.1%
3 China 14 9.7%
4 Russia 13 9%
5 Germany 13 9%
6 France 3 2.1%
7 Hong Kong 2 1.4%
8 Serbia 2 1.4%
9 United Kingdom 2 1.4%
10 Iran, Islamic Republic of 1 0.7%
11 Morocco 1 0.7%
12 Chile 1 0.7%