BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 58 40.3%
2 United States 33 22.9%
3 Netherlands 10 6.9%
4 Hong Kong 8 5.6%
5 Germany 7 4.9%
6 Canada 6 4.2%
7 United Kingdom 5 3.5%
8 Taiwan 3 2.1%
9 Australia 3 2.1%
10 Japan 3 2.1%
11 Russia 2 1.4%
12 Sweden 2 1.4%
13 Korea, Republic of 1 0.7%
14 New Zealand 1 0.7%
15 Portugal 1 0.7%
16 Estonia 1 0.7%