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 United States 31 22.8%
2 China 29 21.3%
3 Netherlands 15 11%
4 Russia 14 10.3%
5 Hong Kong 11 8.1%
6 Malaysia 8 5.9%
7 Germany 5 3.7%
8 Korea, Republic of 5 3.7%
9 New Zealand 4 2.9%
10 Singapore 4 2.9%
11 Czech Republic 3 2.2%
12 Japan 2 1.5%
13 Sweden 2 1.5%
14 United Kingdom 2 1.5%
15 Taiwan 1 0.7%