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 68 38.9%
2 United States 44 25.1%
3 Netherlands 21 12%
4 Germany 14 8%
5 Hong Kong 10 5.7%
6 Czech Republic 5 2.9%
7 Ireland 4 2.3%
8 France 3 1.7%
9 Singapore 2 1.1%
10 Denmark 2 1.1%
11 India 1 0.6%
12 Moldova, Republic of 1 0.6%