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 68 36.6%
2 United States 58 31.2%
3 Sweden 14 7.5%
4 Netherlands 10 5.4%
5 Korea, Republic of 9 4.8%
6 France 8 4.3%
7 Moldova, Republic of 4 2.2%
8 Russia 4 2.2%
9 India 3 1.6%
10 Czech Republic 2 1.1%
11 Mauritius 2 1.1%
12 United Kingdom 2 1.1%
13 Poland 1 0.5%
14 Finland 1 0.5%