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 55 49.5%
2 United States 16 14.4%
3 Netherlands 14 12.6%
4 Germany 9 8.1%
5 Mexico 4 3.6%
6 France 3 2.7%
7 Hong Kong 2 1.8%
8 Canada 2 1.8%
9 Japan 2 1.8%
10 Korea, Republic of 1 0.9%
11 India 1 0.9%
12 Thailand 1 0.9%
13 United Kingdom 1 0.9%