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 China 45 41.3%
2 United States 35 32.1%
3 Germany 7 6.4%
4 Canada 5 4.6%
5 Hong Kong 3 2.8%
6 Singapore 3 2.8%
7 United Kingdom 3 2.8%
8 Korea, Republic of 2 1.8%
9 Portugal 1 0.9%
10 Russia 1 0.9%
11 Japan 1 0.9%
12 Australia 1 0.9%
13 France 1 0.9%
14 Zambia 1 0.9%