BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 31 30.7%
2 China 23 22.8%
3 Netherlands 15 14.9%
4 Germany 13 12.9%
5 Hong Kong 6 5.9%
6 United Kingdom 6 5.9%
7 Malaysia 2 2%
8 Canada 1 1%
9 New Zealand 1 1%
10 South Africa 1 1%
11 Japan 1 1%
12 France 1 1%