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 347 39.8%
2 United States 264 30.3%
3 Netherlands 98 11.3%
4 Germany 74 8.5%
5 Sweden 16 1.8%
6 Canada 13 1.5%
7 Korea, Republic of 12 1.4%
8 France 11 1.3%
9 Taiwan 8 0.9%
10 India 5 0.6%
11 Japan 4 0.5%
12 Cote D'ivoire 4 0.5%
13 Russia 4 0.5%
14 Philippines 3 0.3%
15 Moldova, Republic of 2 0.2%
16 Hong Kong 2 0.2%
17 United Kingdom 2 0.2%
18 Singapore 1 0.1%
19 Ukraine 1 0.1%