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 180 46.9%
2 United States 126 32.8%
3 Germany 32 8.3%
4 Japan 8 2.1%
5 Singapore 8 2.1%
6 Hong Kong 6 1.6%
7 Kazakhstan 4 1%
8 Taiwan 4 1%
9 Russia 4 1%
10 Malaysia 3 0.8%
11 Macao 2 0.5%
12 Ireland 2 0.5%
13 Tanzania, United Republic of 2 0.5%
14 Viet Nam 1 0.3%
15 Italy 1 0.3%
16 Belgium 1 0.3%