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 85 44.3%
2 United States 37 19.3%
3 Netherlands 20 10.4%
4 Germany 9 4.7%
5 Korea, Republic of 8 4.2%
6 Taiwan 7 3.6%
7 Hong Kong 5 2.6%
8 Japan 5 2.6%
9 Canada 4 2.1%
10 Czech Republic 3 1.6%
11 Russia 2 1%
12 Singapore 1 0.5%
13 South Africa 1 0.5%
14 United Kingdom 1 0.5%
15 Viet Nam 1 0.5%
16 France 1 0.5%
17 Australia 1 0.5%
18 Panama 1 0.5%