BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 92 56.1%
2 United States 35 21.3%
3 Netherlands 13 7.9%
4 Germany 9 5.5%
5 Hong Kong 5 3%
6 Taiwan 3 1.8%
7 Singapore 2 1.2%
8 Canada 1 0.6%
9 Portugal 1 0.6%
10 India 1 0.6%
11 Korea, Republic of 1 0.6%
12 United Kingdom 1 0.6%