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 59 43.1%
2 Netherlands 22 16.1%
3 France 18 13.1%
4 United States 16 11.7%
5 Germany 10 7.3%
6 Russia 6 4.4%
7 Korea, Republic of 3 2.2%
8 Mauritius 1 0.7%
9 Portugal 1 0.7%
10 Czech Republic 1 0.7%