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 166 53%
2 United States 75 24%
3 Germany 33 10.5%
4 Korea, Republic of 6 1.9%
5 Hong Kong 5 1.6%
6 Singapore 5 1.6%
7 United Kingdom 4 1.3%
8 Taiwan 4 1.3%
9 Sweden 3 1%
10 Cambodia 2 0.6%
11 Canada 2 0.6%
12 Turkey 2 0.6%
13 Italy 1 0.3%
14 Macao 1 0.3%
15 Mauritius 1 0.3%
16 New Zealand 1 0.3%
17 Romania 1 0.3%
18 Russia 1 0.3%