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 423 45.4%
2 United States 205 22%
3 Netherlands 147 15.8%
4 Germany 66 7.1%
5 France 37 4%
6 Canada 14 1.5%
7 Japan 8 0.9%
8 Korea, Republic of 6 0.6%
9 United Kingdom 6 0.6%
10 Malaysia 5 0.5%
11 Hong Kong 5 0.5%
12 Australia 4 0.4%
13 Taiwan 3 0.3%
14 Serbia 1 0.1%
15 Belgium 1 0.1%
16 India 1 0.1%