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 92 47.7%
2 United States 33 17.1%
3 Germany 17 8.8%
4 Netherlands 11 5.7%
5 Sweden 9 4.7%
6 Singapore 8 4.1%
7 Malaysia 4 2.1%
8 United Kingdom 3 1.6%
9 Ukraine 2 1%
10 Russia 2 1%
11 Ireland 2 1%
12 France 2 1%
13 Brazil 2 1%
14 Australia 1 0.5%
15 Israel 1 0.5%
16 Japan 1 0.5%
17 Taiwan 1 0.5%
18 Moldova, Republic of 1 0.5%
19 New Zealand 1 0.5%