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 53 32.7%
2 United States 38 23.5%
3 Netherlands 15 9.3%
4 Taiwan 14 8.6%
5 France 10 6.2%
6 Germany 8 4.9%
7 Hong Kong 7 4.3%
8 United Kingdom 4 2.5%
9 3 1.9%
10 Japan 2 1.2%
11 Norway 2 1.2%
12 Singapore 2 1.2%
13 Russia 1 0.6%
14 Moldova, Republic of 1 0.6%
15 Belgium 1 0.6%
16 Denmark 1 0.6%