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 43 35.2%
2 United States 22 18%
3 Germany 14 11.5%
4 Netherlands 12 9.8%
5 Russia 8 6.6%
6 Ireland 5 4.1%
7 India 3 2.5%
8 France 3 2.5%
9 South Africa 2 1.6%
10 United Kingdom 2 1.6%
11 Japan 2 1.6%
12 Malaysia 2 1.6%
13 Czech Republic 2 1.6%
14 Brazil 1 0.8%
15 Canada 1 0.8%