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 318 48.7%
2 United States 130 19.9%
3 Netherlands 104 15.9%
4 Germany 62 9.5%
5 Canada 11 1.7%
6 France 6 0.9%
7 United Kingdom 3 0.5%
8 Indonesia 2 0.3%
9 Korea, Republic of 2 0.3%
10 Hong Kong 2 0.3%
11 Poland 2 0.3%
12 Portugal 2 0.3%
13 Singapore 2 0.3%
14 Taiwan 2 0.3%
15 Thailand 2 0.3%
16 Ukraine 2 0.3%
17 India 1 0.2%