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 90 55.2%
2 United States 31 19%
3 Netherlands 17 10.4%
4 Germany 12 7.4%
5 Korea, Republic of 3 1.8%
6 India 2 1.2%
7 France 2 1.2%
8 Taiwan 2 1.2%
9 Sweden 1 0.6%
10 Canada 1 0.6%
11 Cyprus 1 0.6%
12 Macao 1 0.6%