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 207 49.4%
2 United States 134 32%
3 Germany 35 8.4%
4 Singapore 9 2.1%
5 Malaysia 6 1.4%
6 Canada 6 1.4%
7 Hong Kong 5 1.2%
8 Japan 3 0.7%
9 Korea, Republic of 3 0.7%
10 France 3 0.7%
11 Netherlands 3 0.7%
12 2 0.5%
13 Australia 1 0.2%
14 Turkey 1 0.2%
15 United Kingdom 1 0.2%