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 61 33.7%
2 Singapore 27 14.9%
3 United States 25 13.8%
4 Netherlands 19 10.5%
5 Russia 10 5.5%
6 Germany 10 5.5%
7 France 9 5%
8 Taiwan 6 3.3%
9 Ukraine 4 2.2%
10 Hong Kong 4 2.2%
11 Moldova, Republic of 2 1.1%
12 United Kingdom 1 0.6%
13 India 1 0.6%
14 Canada 1 0.6%
15 Czech Republic 1 0.6%