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 40 33.3%
2 United States 26 21.7%
3 Singapore 17 14.2%
4 Netherlands 16 13.3%
5 France 5 4.2%
6 Canada 3 2.5%
7 Malaysia 2 1.7%
8 New Zealand 2 1.7%
9 Germany 2 1.7%
10 Ukraine 2 1.7%
11 United Kingdom 2 1.7%
12 Turkey 1 0.8%
13 Iran, Islamic Republic of 1 0.8%
14 Romania 1 0.8%