BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 51 42.9%
2 United States 39 32.8%
3 Germany 8 6.7%
4 Korea, Republic of 5 4.2%
5 Japan 4 3.4%
6 Hong Kong 3 2.5%
7 Malaysia 2 1.7%
8 Switzerland 2 1.7%
9 France 2 1.7%
10 Australia 1 0.8%
11 Canada 1 0.8%
12 United Kingdom 1 0.8%