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 288 50.4%
2 United States 171 29.9%
3 Germany 38 6.7%
4 Taiwan 34 6%
5 Hong Kong 14 2.5%
6 Canada 5 0.9%
7 Singapore 4 0.7%
8 Macao 4 0.7%
9 Russia 3 0.5%
10 Korea, Republic of 2 0.4%
11 Brazil 1 0.2%
12 Sweden 1 0.2%
13 United Kingdom 1 0.2%
14 Malaysia 1 0.2%
15 Netherlands 1 0.2%
16 Norway 1 0.2%
17 Portugal 1 0.2%
18 India 1 0.2%