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 439 47.8%
2 United States 158 17.2%
3 Netherlands 104 11.3%
4 Taiwan 60 6.5%
5 Germany 59 6.4%
6 Canada 17 1.8%
7 Hong Kong 15 1.6%
8 Russia 12 1.3%
9 Korea, Republic of 9 1%
10 France 8 0.9%
11 Denmark 6 0.7%
12 Singapore 6 0.7%
13 Ukraine 5 0.5%
14 United Kingdom 3 0.3%
15 Sweden 3 0.3%
16 Australia 3 0.3%
17 2 0.2%
18 Argentina 2 0.2%
19 India 2 0.2%
20 Malaysia 2 0.2%
21 Iran, Islamic Republic of 1 0.1%
22 Japan 1 0.1%
23 Brazil 1 0.1%
24 Estonia 1 0.1%