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 556 42.2%
2 United States 326 24.7%
3 Netherlands 219 16.6%
4 Germany 86 6.5%
5 France 67 5.1%
6 Canada 24 1.8%
7 Sweden 14 1.1%
8 Hong Kong 6 0.5%
9 Korea, Republic of 5 0.4%
10 Singapore 4 0.3%
11 Australia 3 0.2%
12 Ukraine 2 0.2%
13 United Kingdom 2 0.2%
14 Poland 1 0.1%
15 Romania 1 0.1%
16 Colombia 1 0.1%
17 India 1 0.1%