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 204 66.2%
2 Germany 31 10.1%
3 United States 30 9.7%
4 Hong Kong 7 2.3%
5 Taiwan 6 1.9%
6 Korea, Republic of 4 1.3%
7 Malaysia 4 1.3%
8 Ireland 3 1%
9 Canada 3 1%
10 Singapore 3 1%
11 Australia 2 0.6%
12 United Kingdom 2 0.6%
13 Switzerland 2 0.6%
14 Netherlands 2 0.6%
15 New Zealand 2 0.6%
16 Russia 2 0.6%
17 Sweden 1 0.3%