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 234 57.4%
2 United States 62 15.2%
3 Germany 33 8.1%
4 Netherlands 16 3.9%
5 Korea, Republic of 15 3.7%
6 Singapore 7 1.7%
7 Hong Kong 7 1.7%
8 Taiwan 6 1.5%
9 Malaysia 5 1.2%
10 France 5 1.2%
11 United Kingdom 4 1%
12 Belgium 4 1%
13 Italy 3 0.7%
14 Kazakhstan 3 0.7%
15 Austria 2 0.5%
16 1 0.2%
17 New Zealand 1 0.2%