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 220 59.6%
2 United States 76 20.6%
3 Germany 29 7.9%
4 Hong Kong 10 2.7%
5 Singapore 9 2.4%
6 Japan 5 1.4%
7 Taiwan 4 1.1%
8 United Kingdom 3 0.8%
9 Netherlands 3 0.8%
10 3 0.8%
11 Spain 2 0.5%
12 Korea, Republic of 2 0.5%
13 Malaysia 1 0.3%
14 Mauritius 1 0.3%
15 Australia 1 0.3%