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 179 52.6%
2 United States 71 20.9%
3 Germany 39 11.5%
4 Canada 15 4.4%
5 Singapore 10 2.9%
6 Taiwan 6 1.8%
7 Australia 5 1.5%
8 Hong Kong 5 1.5%
9 Malaysia 3 0.9%
10 South Africa 2 0.6%
11 Denmark 2 0.6%
12 Japan 1 0.3%
13 Korea, Republic of 1 0.3%
14 Netherlands 1 0.3%