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 53 39.8%
2 United States 28 21.1%
3 Germany 12 9%
4 Netherlands 9 6.8%
5 Hong Kong 6 4.5%
6 New Zealand 5 3.8%
7 Taiwan 3 2.3%
8 Japan 3 2.3%
9 Australia 3 2.3%
10 Canada 3 2.3%
11 France 2 1.5%
12 India 2 1.5%
13 Mongolia 2 1.5%
14 Qatar 1 0.8%
15 Korea, Republic of 1 0.8%