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 United States 63 43.4%
2 China 48 33.1%
3 Japan 9 6.2%
4 France 7 4.8%
5 Canada 5 3.4%
6 Germany 4 2.8%
7 Singapore 3 2.1%
8 Hong Kong 2 1.4%
9 Malaysia 1 0.7%
10 Netherlands 1 0.7%
11 Australia 1 0.7%
12 Czech Republic 1 0.7%