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 38 28.4%
2 United States 36 26.9%
3 Netherlands 25 18.7%
4 Taiwan 9 6.7%
5 Germany 6 4.5%
6 France 4 3%
7 Mexico 2 1.5%
8 Russia 2 1.5%
9 Czech Republic 2 1.5%
10 Cambodia 2 1.5%
11 Canada 2 1.5%
12 India 1 0.7%
13 Japan 1 0.7%
14 Korea, Republic of 1 0.7%
15 Malaysia 1 0.7%
16 Singapore 1 0.7%
17 United Kingdom 1 0.7%