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 199 57%
2 United States 67 19.2%
3 Germany 25 7.2%
4 Hong Kong 15 4.3%
5 Taiwan 13 3.7%
6 Japan 6 1.7%
7 Canada 6 1.7%
8 Singapore 5 1.4%
9 Brazil 3 0.9%
10 Malaysia 3 0.9%
11 Netherlands 2 0.6%
12 Korea, Republic of 2 0.6%
13 United Kingdom 2 0.6%
14 Poland 1 0.3%