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 195 41.8%
2 United States 172 36.8%
3 Germany 25 5.4%
4 Canada 19 4.1%
5 Hong Kong 18 3.9%
6 Taiwan 10 2.1%
7 Singapore 4 0.9%
8 Macao 4 0.9%
9 Malaysia 3 0.6%
10 Japan 3 0.6%
11 Korea, Republic of 2 0.4%
12 Brazil 2 0.4%
13 India 2 0.4%
14 Netherlands 2 0.4%
15 Philippines 2 0.4%
16 Russia 2 0.4%
17 United Kingdom 2 0.4%