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 198 46.7%
2 United States 160 37.7%
3 Germany 31 7.3%
4 Taiwan 10 2.4%
5 Japan 6 1.4%
6 Hong Kong 4 0.9%
7 Korea, Republic of 2 0.5%
8 Macao 2 0.5%
9 Malaysia 2 0.5%
10 Turkey 2 0.5%
11 United Kingdom 2 0.5%
12 Netherlands 2 0.5%
13 Mauritius 1 0.2%
14 Australia 1 0.2%
15 Canada 1 0.2%