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 United States 46 29.5%
2 China 40 25.6%
3 Germany 12 7.7%
4 Netherlands 9 5.8%
5 Russia 8 5.1%
6 Colombia 8 5.1%
7 United Kingdom 8 5.1%
8 Hong Kong 4 2.6%
9 Japan 4 2.6%
10 Ireland 3 1.9%
11 Korea, Republic of 2 1.3%
12 Australia 2 1.3%
13 Estonia 2 1.3%
14 Singapore 2 1.3%
15 Taiwan 1 0.6%
16 Malaysia 1 0.6%
17 India 1 0.6%
18 Iran, Islamic Republic of 1 0.6%
19 Czech Republic 1 0.6%
20 Denmark 1 0.6%