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 73 36.7%
2 United States 43 21.6%
3 Netherlands 20 10.1%
4 Germany 19 9.5%
5 France 17 8.5%
6 Russia 9 4.5%
7 Taiwan 8 4%
8 Indonesia 3 1.5%
9 Czech Republic 2 1%
10 Macao 2 1%
11 Canada 1 0.5%
12 Japan 1 0.5%
13 Singapore 1 0.5%