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 Russia 25 22.9%
2 United States 21 19.3%
3 China 19 17.4%
4 Italy 13 11.9%
5 Poland 5 4.6%
6 Taiwan 4 3.7%
7 Korea, Republic of 4 3.7%
8 Germany 3 2.8%
9 India 2 1.8%
10 Netherlands 2 1.8%
11 France 2 1.8%
12 Brazil 2 1.8%
13 Canada 2 1.8%
14 Israel 1 0.9%
15 Ukraine 1 0.9%
16 United Kingdom 1 0.9%
17 Argentina 1 0.9%
18 Switzerland 1 0.9%