BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 58 41.1%
2 United States 40 28.4%
3 Germany 15 10.6%
4 Hong Kong 6 4.3%
5 Japan 4 2.8%
6 Canada 3 2.1%
7 Taiwan 3 2.1%
8 United Kingdom 2 1.4%
9 Korea, Republic of 2 1.4%
10 Malaysia 2 1.4%
11 Moldova, Republic of 1 0.7%
12 Philippines 1 0.7%
13 Portugal 1 0.7%
14 Italy 1 0.7%
15 Czech Republic 1 0.7%
16 Denmark 1 0.7%