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 170 74.2%
2 United States 36 15.7%
3 Germany 6 2.6%
4 Hong Kong 5 2.2%
5 Taiwan 5 2.2%
6 United Kingdom 1 0.4%
7 Ireland 1 0.4%
8 Korea, Republic of 1 0.4%
9 Netherlands 1 0.4%
10 Pakistan 1 0.4%
11 Portugal 1 0.4%
12 South Africa 1 0.4%