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 78 43.6%
2 United States 29 16.2%
3 Netherlands 24 13.4%
4 Russia 12 6.7%
5 France 12 6.7%
6 Germany 6 3.4%
7 Hong Kong 6 3.4%
8 Malaysia 2 1.1%
9 Moldova, Republic of 2 1.1%
10 Taiwan 2 1.1%
11 United Arab Emirates 2 1.1%
12 Singapore 1 0.6%
13 Norway 1 0.6%
14 Czech Republic 1 0.6%
15 Japan 1 0.6%