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 77 39.3%
2 United States 44 22.4%
3 Germany 18 9.2%
4 Russia 10 5.1%
5 Taiwan 9 4.6%
6 Canada 7 3.6%
7 United Kingdom 5 2.6%
8 Hong Kong 5 2.6%
9 Singapore 4 2%
10 Kazakhstan 3 1.5%
11 Australia 3 1.5%
12 France 2 1%
13 Brazil 1 0.5%
14 Hungary 1 0.5%
15 Japan 1 0.5%
16 Macao 1 0.5%
17 Malaysia 1 0.5%
18 Mexico 1 0.5%
19 New Zealand 1 0.5%
20 Portugal 1 0.5%
21 Sweden 1 0.5%