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 155 48.1%
2 United States 57 17.7%
3 Germany 34 10.6%
4 Canada 25 7.8%
5 Malaysia 12 3.7%
6 Singapore 8 2.5%
7 France 5 1.6%
8 United Kingdom 5 1.6%
9 Hong Kong 5 1.6%
10 Netherlands 4 1.2%
11 Romania 3 0.9%
12 2 0.6%
13 Congo, The Democratic Republic of The 2 0.6%
14 Switzerland 2 0.6%
15 Taiwan 2 0.6%
16 Ireland 1 0.3%