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 168 61.5%
2 United States 40 14.7%
3 Germany 22 8.1%
4 Singapore 8 2.9%
5 Japan 6 2.2%
6 Ireland 6 2.2%
7 Hong Kong 4 1.5%
8 India 2 0.7%
9 Italy 2 0.7%
10 Australia 2 0.7%
11 Canada 2 0.7%
12 Korea, Republic of 2 0.7%
13 Macao 2 0.7%
14 Taiwan 2 0.7%
15 Ukraine 2 0.7%
16 Russia 2 0.7%
17 Netherlands 1 0.4%