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 417 44.4%
2 United States 255 27.1%
3 Netherlands 91 9.7%
4 Germany 58 6.2%
5 France 24 2.6%
6 Sweden 22 2.3%
7 Korea, Republic of 10 1.1%
8 Russia 9 1%
9 Canada 6 0.6%
10 Cote D'ivoire 6 0.6%
11 Hong Kong 5 0.5%
12 India 5 0.5%
13 Moldova, Republic of 4 0.4%
14 Slovenia 4 0.4%
15 United Kingdom 4 0.4%
16 Mauritius 3 0.3%
17 Lithuania 2 0.2%
18 Malaysia 2 0.2%
19 Norway 2 0.2%
20 Philippines 2 0.2%
21 Romania 2 0.2%
22 Japan 2 0.2%
23 Singapore 2 0.2%
24 Switzerland 1 0.1%
25 Ukraine 1 0.1%
26 Viet Nam 1 0.1%