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 169 45.3%
2 United States 115 30.8%
3 Germany 33 8.8%
4 Canada 14 3.8%
5 Malaysia 14 3.8%
6 Hong Kong 6 1.6%
7 Singapore 5 1.3%
8 Japan 4 1.1%
9 Taiwan 3 0.8%
10 Korea, Republic of 2 0.5%
11 Macao 2 0.5%
12 2 0.5%
13 Iraq 1 0.3%
14 United Arab Emirates 1 0.3%
15 Netherlands 1 0.3%
16 Russia 1 0.3%