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 200 59.9%
2 United States 47 14.1%
3 Germany 32 9.6%
4 Canada 17 5.1%
5 Malaysia 13 3.9%
6 Hong Kong 10 3%
7 Macao 3 0.9%
8 Singapore 3 0.9%
9 Taiwan 3 0.9%
10 Japan 2 0.6%
11 Netherlands 2 0.6%
12 Brazil 1 0.3%
13 Korea, Republic of 1 0.3%