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 87 44.4%
2 United States 47 24%
3 France 19 9.7%
4 Netherlands 12 6.1%
5 Russia 12 6.1%
6 Germany 8 4.1%
7 India 3 1.5%
8 Ukraine 3 1.5%
9 Lao People's Democratic Republic 2 1%
10 United Arab Emirates 1 0.5%
11 Australia 1 0.5%
12 Czech Republic 1 0.5%