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 335 59.2%
2 United States 124 21.9%
3 Germany 28 4.9%
4 Taiwan 21 3.7%
5 Canada 15 2.7%
6 Hong Kong 10 1.8%
7 Korea, Republic of 10 1.8%
8 Russia 4 0.7%
9 Netherlands 3 0.5%
10 Malaysia 3 0.5%
11 Japan 3 0.5%
12 Czech Republic 2 0.4%
13 Denmark 2 0.4%
14 Singapore 2 0.4%
15 United Kingdom 2 0.4%
16 France 1 0.2%
17 Malta 1 0.2%