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 155 54.6%
2 United States 48 16.9%
3 Germany 40 14.1%
4 Canada 15 5.3%
5 Hong Kong 6 2.1%
6 Malaysia 4 1.4%
7 4 1.4%
8 Netherlands 3 1.1%
9 Japan 2 0.7%
10 Australia 2 0.7%
11 Taiwan 2 0.7%
12 Thailand 1 0.4%
13 France 1 0.4%
14 Singapore 1 0.4%