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 43 45.3%
2 United States 20 21.1%
3 Netherlands 10 10.5%
4 Germany 8 8.4%
5 Ireland 3 3.2%
6 Ukraine 3 3.2%
7 Singapore 2 2.1%
8 Hong Kong 2 2.1%
9 India 2 2.1%
10 Malaysia 1 1.1%
11 Moldova, Republic of 1 1.1%