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 United States 79 30.4%
2 China 66 25.4%
3 Sweden 23 8.8%
4 Germany 15 5.8%
5 Netherlands 15 5.8%
6 Taiwan 12 4.6%
7 United Kingdom 6 2.3%
8 Canada 6 2.3%
9 Japan 5 1.9%
10 Malaysia 5 1.9%
11 Australia 4 1.5%
12 Belgium 3 1.2%
13 Hong Kong 3 1.2%
14 Korea, Republic of 3 1.2%
15 Switzerland 3 1.2%
16 Singapore 2 0.8%
17 Poland 2 0.8%
18 Israel 2 0.8%
19 India 1 0.4%
20 France 1 0.4%
21 Romania 1 0.4%
22 Lithuania 1 0.4%
23 New Zealand 1 0.4%
24 Turkey 1 0.4%