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 59 64.1%
2 Netherlands 7 7.6%
3 United States 5 5.4%
4 Malaysia 4 4.3%
5 Russia 4 4.3%
6 Singapore 3 3.3%
7 Korea, Republic of 2 2.2%
8 Macao 2 2.2%
9 United Kingdom 2 2.2%
10 Canada 1 1.1%
11 France 1 1.1%
12 Germany 1 1.1%
13 Taiwan 1 1.1%