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 86 41.1%
2 United States 51 24.4%
3 Netherlands 17 8.1%
4 France 16 7.7%
5 Korea, Republic of 16 7.7%
6 Germany 9 4.3%
7 Japan 4 1.9%
8 Hong Kong 2 1%
9 Australia 2 1%
10 Austria 2 1%
11 Canada 1 0.5%
12 Macao 1 0.5%
13 India 1 0.5%
14 New Zealand 1 0.5%