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 47.8%
2 United States 17 18.9%
3 Netherlands 7 7.8%
4 Malaysia 6 6.7%
5 Canada 4 4.4%
6 Macao 3 3.3%
7 Germany 3 3.3%
8 Equatorial Guinea 2 2.2%
9 Singapore 2 2.2%
10 Switzerland 1 1.1%
11 Korea, Republic of 1 1.1%
12 New Zealand 1 1.1%