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 United States 44 35.5%
2 China 40 32.3%
3 Netherlands 10 8.1%
4 Germany 8 6.5%
5 Hong Kong 5 4%
6 Taiwan 5 4%
7 United Kingdom 3 2.4%
8 Ukraine 1 0.8%
9 India 1 0.8%
10 Pakistan 1 0.8%
11 Portugal 1 0.8%
12 Sweden 1 0.8%
13 France 1 0.8%
14 1 0.8%
15 Australia 1 0.8%
16 Canada 1 0.8%