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 348 50.1%
2 United States 175 25.2%
3 Netherlands 50 7.2%
4 Germany 32 4.6%
5 Sweden 20 2.9%
6 France 16 2.3%
7 Korea, Republic of 14 2%
8 Russia 10 1.4%
9 Hong Kong 6 0.9%
10 Moldova, Republic of 4 0.6%
11 India 3 0.4%
12 Czech Republic 2 0.3%
13 Mauritius 2 0.3%
14 Serbia 2 0.3%
15 Singapore 2 0.3%
16 Ukraine 2 0.3%
17 United Kingdom 2 0.3%
18 Philippines 2 0.3%
19 Poland 1 0.1%
20 Romania 1 0.1%
21 Finland 1 0.1%