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 216 50.6%
2 United States 128 30%
3 Germany 39 9.1%
4 Korea, Republic of 16 3.7%
5 Ireland 6 1.4%
6 Netherlands 4 0.9%
7 United Kingdom 3 0.7%
8 Canada 2 0.5%
9 Italy 2 0.5%
10 Singapore 2 0.5%
11 New Zealand 2 0.5%
12 Philippines 2 0.5%
13 Hong Kong 2 0.5%
14 France 1 0.2%
15 Russia 1 0.2%
16 Thailand 1 0.2%