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 30 32.3%
2 United States 21 22.6%
3 Germany 13 14%
4 Hong Kong 8 8.6%
5 Netherlands 8 8.6%
6 Australia 3 3.2%
7 Israel 3 3.2%
8 India 2 2.2%
9 Taiwan 2 2.2%
10 Ireland 1 1.1%
11 Portugal 1 1.1%
12 Singapore 1 1.1%