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 585 45.5%
2 United States 337 26.2%
3 Netherlands 158 12.3%
4 Germany 38 3%
5 France 27 2.1%
6 Hong Kong 26 2%
7 Taiwan 21 1.6%
8 Korea, Republic of 19 1.5%
9 Canada 18 1.4%
10 Japan 14 1.1%
11 Iran, Islamic Republic of 6 0.5%
12 Russia 6 0.5%
13 Sweden 6 0.5%
14 Singapore 4 0.3%
15 India 4 0.3%
16 Ukraine 3 0.2%
17 United Kingdom 2 0.2%
18 Brazil 2 0.2%
19 Albania 2 0.2%
20 Malaysia 2 0.2%
21 New Zealand 2 0.2%
22 Ireland 1 0.1%
23 Macao 1 0.1%
24 Australia 1 0.1%
25 Austria 1 0.1%
26 United Arab Emirates 1 0.1%