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 83 50.9%
2 United States 33 20.2%
3 Netherlands 10 6.1%
4 Germany 8 4.9%
5 Hong Kong 7 4.3%
6 Portugal 4 2.5%
7 Taiwan 4 2.5%
8 United Kingdom 3 1.8%
9 Canada 3 1.8%
10 India 2 1.2%
11 Kazakhstan 1 0.6%
12 Luxembourg 1 0.6%
13 France 1 0.6%
14 1 0.6%
15 Australia 1 0.6%
16 Russia 1 0.6%