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 75 53.6%
2 United States 18 12.9%
3 France 16 11.4%
4 Netherlands 16 11.4%
5 Russia 5 3.6%
6 Germany 5 3.6%
7 Czech Republic 2 1.4%
8 India 1 0.7%
9 South Africa 1 0.7%
10 United Arab Emirates 1 0.7%