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 248 52%
2 United States 97 20.3%
3 Germany 46 9.6%
4 Hong Kong 26 5.5%
5 Japan 7 1.5%
6 Netherlands 7 1.5%
7 Taiwan 7 1.5%
8 Russia 6 1.3%
9 Macao 5 1%
10 Australia 5 1%
11 Canada 5 1%
12 Ireland 3 0.6%
13 Singapore 3 0.6%
14 Sweden 3 0.6%
15 United Kingdom 3 0.6%
16 Malaysia 2 0.4%
17 Korea, Republic of 2 0.4%
18 Ukraine 1 0.2%
19 Switzerland 1 0.2%