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 China 94 54.3%
2 United States 31 17.9%
3 Germany 18 10.4%
4 Hong Kong 7 4%
5 Canada 7 4%
6 Malaysia 5 2.9%
7 Taiwan 4 2.3%
8 United Kingdom 2 1.2%
9 Portugal 1 0.6%
10 Romania 1 0.6%
11 Korea, Republic of 1 0.6%
12 Chile 1 0.6%
13 France 1 0.6%