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 56 51.4%
2 Germany 16 14.7%
3 United States 10 9.2%
4 Netherlands 6 5.5%
5 Hong Kong 5 4.6%
6 Singapore 4 3.7%
7 Canada 3 2.8%
8 Viet Nam 2 1.8%
9 South Africa 2 1.8%
10 India 2 1.8%
11 Italy 2 1.8%
12 Russia 1 0.9%