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 United States 531 39.4%
2 Germany 217 16.1%
3 China 214 15.9%
4 Netherlands 191 14.2%
5 Canada 44 3.3%
6 France 35 2.6%
7 India 22 1.6%
8 Russia 22 1.6%
9 United Kingdom 14 1%
10 Sweden 13 1%
11 Hong Kong 11 0.8%
12 Japan 9 0.7%
13 Ukraine 5 0.4%
14 Korea, Republic of 3 0.2%
15 Italy 3 0.2%
16 Brazil 3 0.2%
17 Moldova, Republic of 2 0.1%
18 Portugal 2 0.1%
19 Singapore 2 0.1%
20 Viet Nam 1 0.1%
21 Mauritius 1 0.1%
22 Mexico 1 0.1%
23 Czech Republic 1 0.1%
24 Finland 1 0.1%