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 United States 37 36.3%
2 China 29 28.4%
3 Germany 7 6.9%
4 Hong Kong 6 5.9%
5 Malaysia 5 4.9%
6 United Kingdom 4 3.9%
7 Canada 3 2.9%
8 Brazil 2 2%
9 Korea, Republic of 2 2%
10 Taiwan 2 2%
11 Portugal 1 1%
12 Romania 1 1%
13 Macao 1 1%
14 Japan 1 1%
15 Czech Republic 1 1%