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 72 48%
2 United States 31 20.7%
3 Netherlands 18 12%
4 France 9 6%
5 Germany 6 4%
6 Russia 5 3.3%
7 2 1.3%
8 Canada 2 1.3%
9 Czech Republic 1 0.7%
10 India 1 0.7%
11 Moldova, Republic of 1 0.7%
12 Taiwan 1 0.7%
13 United Arab Emirates 1 0.7%