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 500 48.2%
2 United States 251 24.2%
3 Germany 76 7.3%
4 Netherlands 75 7.2%
5 France 44 4.2%
6 Canada 21 2%
7 Hong Kong 17 1.6%
8 Czech Republic 14 1.3%
9 Russia 8 0.8%
10 Korea, Republic of 7 0.7%
11 Ireland 6 0.6%
12 Taiwan 5 0.5%
13 India 5 0.5%
14 United Kingdom 4 0.4%
15 Japan 2 0.2%
16 Austria 2 0.2%
17 Australia 1 0.1%