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 251 52.5%
2 United States 149 31.2%
3 Germany 32 6.7%
4 Canada 25 5.2%
5 Australia 4 0.8%
6 Singapore 4 0.8%
7 France 3 0.6%
8 Netherlands 3 0.6%
9 Malaysia 2 0.4%
10 Taiwan 2 0.4%
11 United Kingdom 2 0.4%
12 Hong Kong 1 0.2%