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 526 61.6%
2 United States 151 17.7%
3 Germany 47 5.5%
4 Russia 45 5.3%
5 Canada 22 2.6%
6 Korea, Republic of 17 2%
7 Hong Kong 9 1.1%
8 Japan 5 0.6%
9 France 4 0.5%
10 India 4 0.5%
11 Netherlands 3 0.4%
12 United Arab Emirates 3 0.4%
13 United Kingdom 3 0.4%
14 Ukraine 2 0.2%
15 Portugal 2 0.2%
16 Romania 2 0.2%
17 Malaysia 2 0.2%
18 Finland 2 0.2%
19 Australia 1 0.1%
20 Italy 1 0.1%
21 Norway 1 0.1%
22 Poland 1 0.1%
23 Singapore 1 0.1%