BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 49 45%
2 China 28 25.7%
3 France 5 4.6%
4 Germany 4 3.7%
5 Canada 4 3.7%
6 Japan 3 2.8%
7 Malaysia 3 2.8%
8 Russia 3 2.8%
9 Singapore 2 1.8%
10 United Kingdom 2 1.8%
11 Australia 2 1.8%
12 Czech Republic 2 1.8%
13 Netherlands 1 0.9%
14 Spain 1 0.9%