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 174 65.4%
2 United States 41 15.4%
3 Germany 13 4.9%
4 Hong Kong 11 4.1%
5 Canada 5 1.9%
6 Ukraine 3 1.1%
7 United Kingdom 3 1.1%
8 Malaysia 2 0.8%
9 Netherlands 2 0.8%
10 Portugal 2 0.8%
11 Russia 2 0.8%
12 Sweden 1 0.4%
13 India 1 0.4%
14 Italy 1 0.4%
15 Korea, Republic of 1 0.4%
16 Macao 1 0.4%
17 France 1 0.4%
18 Australia 1 0.4%
19 Austria 1 0.4%