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 478 47.6%
2 United States 262 26.1%
3 Germany 60 6%
4 Netherlands 58 5.8%
5 Russia 32 3.2%
6 United Kingdom 26 2.6%
7 France 24 2.4%
8 Hong Kong 21 2.1%
9 Portugal 7 0.7%
10 Taiwan 7 0.7%
11 5 0.5%
12 Ireland 4 0.4%
13 Japan 4 0.4%
14 India 3 0.3%
15 Estonia 2 0.2%
16 Canada 2 0.2%
17 Korea, Republic of 2 0.2%
18 Poland 2 0.2%
19 Switzerland 1 0.1%
20 Moldova, Republic of 1 0.1%
21 Italy 1 0.1%
22 Czech Republic 1 0.1%
23 Turkmenistan 1 0.1%