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 150 52.8%
2 United States 74 26.1%
3 Germany 22 7.7%
4 Ireland 7 2.5%
5 Hong Kong 6 2.1%
6 Netherlands 4 1.4%
7 Taiwan 3 1.1%
8 Japan 3 1.1%
9 Korea, Republic of 2 0.7%
10 Finland 2 0.7%
11 France 2 0.7%
12 Australia 2 0.7%
13 Brazil 2 0.7%
14 Portugal 2 0.7%
15 Singapore 2 0.7%
16 Canada 1 0.4%