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 703 76.7%
2 United States 85 9.3%
3 Germany 38 4.1%
4 Netherlands 23 2.5%
5 Taiwan 22 2.4%
6 Hong Kong 17 1.9%
7 Japan 9 1%
8 Korea, Republic of 6 0.7%
9 Canada 5 0.5%
10 Macao 4 0.4%
11 Australia 2 0.2%
12 Russia 1 0.1%
13 Singapore 1 0.1%
14 Malaysia 1 0.1%