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 274 67.3%
2 United States 56 13.8%
3 Germany 34 8.4%
4 Korea, Republic of 9 2.2%
5 Taiwan 5 1.2%
6 Russia 5 1.2%
7 Singapore 4 1%
8 Hong Kong 4 1%
9 Sweden 3 0.7%
10 Switzerland 2 0.5%
11 United Arab Emirates 2 0.5%
12 Uzbekistan 2 0.5%
13 United Kingdom 1 0.2%
14 Japan 1 0.2%
15 Malaysia 1 0.2%
16 New Zealand 1 0.2%
17 Pakistan 1 0.2%
18 Panama 1 0.2%
19 Canada 1 0.2%