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 26 33.3%
2 China 12 15.4%
3 Netherlands 12 15.4%
4 Germany 10 12.8%
5 Malaysia 4 5.1%
6 France 4 5.1%
7 Portugal 3 3.8%
8 Mexico 2 2.6%
9 Hong Kong 2 2.6%
10 India 2 2.6%
11 Czech Republic 1 1.3%