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 181 53.6%
2 United States 89 26.3%
3 Germany 37 10.9%
4 Korea, Republic of 8 2.4%
5 Netherlands 5 1.5%
6 Hong Kong 4 1.2%
7 Taiwan 3 0.9%
8 Israel 2 0.6%
9 Hungary 2 0.6%
10 Malaysia 2 0.6%
11 Georgia 1 0.3%
12 India 1 0.3%
13 Pakistan 1 0.3%
14 Portugal 1 0.3%
15 Spain 1 0.3%