BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 828 48.1%
2 United States 307 17.8%
3 Netherlands 250 14.5%
4 France 108 6.3%
5 Germany 75 4.4%
6 Russia 42 2.4%
7 Canada 29 1.7%
8 Czech Republic 19 1.1%
9 Hong Kong 9 0.5%
10 Sweden 9 0.5%
11 Singapore 8 0.5%
12 Japan 6 0.3%
13 United Kingdom 5 0.3%
14 Taiwan 4 0.2%
15 India 4 0.2%
16 Viet Nam 3 0.2%
17 Ukraine 2 0.1%
18 Romania 2 0.1%
19 Korea, Republic of 2 0.1%
20 Norway 1 0.1%
21 Portugal 1 0.1%
22 Switzerland 1 0.1%
23 Ireland 1 0.1%
24 Israel 1 0.1%
25 Finland 1 0.1%
26 Australia 1 0.1%
27 United Arab Emirates 1 0.1%