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 51 44.7%
2 United States 14 12.3%
3 Netherlands 12 10.5%
4 Germany 6 5.3%
5 Malaysia 5 4.4%
6 Canada 5 4.4%
7 France 4 3.5%
8 Hong Kong 4 3.5%
9 India 3 2.6%
10 Czech Republic 2 1.8%
11 Russia 2 1.8%
12 Taiwan 2 1.8%
13 United Arab Emirates 2 1.8%
14 Singapore 1 0.9%
15 Australia 1 0.9%