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 192 59.6%
2 United States 46 14.3%
3 Germany 19 5.9%
4 Hong Kong 15 4.7%
5 Taiwan 8 2.5%
6 United Kingdom 8 2.5%
7 Australia 6 1.9%
8 Canada 5 1.6%
9 France 4 1.2%
10 Malaysia 4 1.2%
11 Netherlands 3 0.9%
12 Russia 3 0.9%
13 Singapore 3 0.9%
14 Sweden 1 0.3%
15 Turkey 1 0.3%
16 Portugal 1 0.3%
17 Romania 1 0.3%
18 Italy 1 0.3%
19 Japan 1 0.3%