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 United States 23 23.7%
2 China 19 19.6%
3 Germany 15 15.5%
4 Netherlands 12 12.4%
5 Singapore 7 7.2%
6 Hong Kong 6 6.2%
7 France 5 5.2%
8 Australia 3 3.1%
9 Canada 3 3.1%
10 Czech Republic 2 2.1%
11 Malaysia 1 1%
12 Russia 1 1%