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 51 36.7%
2 United States 44 31.7%
3 Netherlands 15 10.8%
4 Singapore 10 7.2%
5 Germany 7 5%
6 Korea, Republic of 3 2.2%
7 Malaysia 2 1.4%
8 Panama 2 1.4%
9 Iran, Islamic Republic of 2 1.4%
10 Australia 1 0.7%
11 Hong Kong 1 0.7%
12 United Kingdom 1 0.7%