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 202 56.1%
2 United States 73 20.3%
3 Germany 29 8.1%
4 Canada 15 4.2%
5 Hong Kong 12 3.3%
6 Taiwan 10 2.8%
7 United Kingdom 5 1.4%
8 Japan 2 0.6%
9 Malaysia 2 0.6%
10 Netherlands 2 0.6%
11 Guatemala 2 0.6%
12 2 0.6%
13 Australia 2 0.6%
14 France 1 0.3%
15 India 1 0.3%