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 417 54.2%
2 United States 136 17.7%
3 Netherlands 100 13%
4 Germany 69 9%
5 Canada 17 2.2%
6 Hong Kong 7 0.9%
7 France 5 0.6%
8 Singapore 5 0.6%
9 Taiwan 3 0.4%
10 United Kingdom 3 0.4%
11 Ukraine 2 0.3%
12 India 2 0.3%
13 Korea, Republic of 2 0.3%
14 Finland 1 0.1%
15 Slovakia 1 0.1%